Aizanoi

Çavdarhisar, Kütahya

20 min read

Overview: Aizanoi is one of Roman Anatolia's most spectacularly preserved ancient cities, nestled in the rolling hills of Kütahya Province at Çavdarhisar. The site boasts the best-preserved Temple of Zeus in all of Anatolia, a unique combined stadium-theatre complex found nowhere else in the ancient world, and one of the earliest known commodity price edicts inscribed on the walls of its macellum (market building). Submitted for inclusion on the UNESCO World Heritage List, Aizanoi reveals the prosperity and architectural ambition of a major Roman provincial city that rivaled its more famous neighbors. Recent excavations have made international headlines with the discovery of hundreds of marble sculptures, earning Aizanoi the nickname "second Aphrodisias."

  1. Why Aizanoi Matters
  2. Geography and Setting
  3. Historical Timeline
  4. Mythological Origins
  5. The Temple of Zeus
  6. The Combined Stadium-Theatre
  7. The Macellum and the Price Edict
  8. The Roman Baths
  9. The Colonnaded Street
  10. The Bridges over the Penkalas
  11. The Agora and Sacred Cave
  12. Recent Discoveries: The Sculpture Trove
  13. Economy and Agriculture
  14. Religion and Cults
  15. Daily Life in Roman Aizanoi
  16. Late Antiquity and Decline
  17. Archaeological History
  18. UNESCO Tentative List
  19. How to Visit Aizanoi
  20. FAQ
  21. Sources

Why Aizanoi Matters

Aizanoi is exceptional for several reasons:

  • Temple of Zeus: The best-preserved temple of Zeus in Anatolia and one of the finest Roman-era temples anywhere, with its walls still standing to nearly full height
  • Unique stadium-theatre: The only known combined stadium and theatre complex in the ancient world, where the two entertainment venues share a common wall
  • The Price Edict: The macellum walls bear one of the most complete surviving copies of Diocletian's Edict on Maximum Prices (301 AD), a crucial document for understanding the Roman economy
  • River city: The Penkalas (Kocaçay) River flows through the city center, crossed by ancient bridges that are still standing
  • Sculpture bonanza: Recent excavations (2020–present) have uncovered hundreds of marble sculptures, making Aizanoi one of the richest sculpture finds in recent decades
  • Intact urban plan: Streets, bridges, agora, baths, stadium, theatre, and temple survive in a remarkably complete Roman cityscape
  • Off the beaten path: Despite its extraordinary monuments, Aizanoi receives far fewer visitors than comparable sites, offering an uncrowded experience

Geography and Setting

Aizanoi occupies a fertile highland valley in the interior of western Türkiye.

Location:

  • Çavdarhisar district, Kütahya Province
  • Approximately 57 km southwest of Kütahya city
  • Altitude: roughly 1,000 meters above sea level
  • In the upper valley of the Penkalas (Kocaçay) River

Landscape:

  • Rolling hills and agricultural fields surround the site
  • The Penkalas River cuts through the city center, creating a scenic division
  • The Temple of Zeus stands prominently on a low terrace above the river
  • The fertile valley supported extensive grain and wine production
  • The continental climate brings cold winters and warm summers

The valley setting, with the temple rising above the river and the stadium-theatre complex stretching along the plain, creates one of the most picturesque archaeological landscapes in Türkiye.

Historical Timeline

PeriodDateKey Events
Phrygian3rd millennium BCEarly settlement in the region
Hellenistic3rd–1st century BCCity develops under Attalid and then Bithynian influence
Roman Republic133 BCRegion incorporated into Rome's Province of Asia
Early Imperial1st–2nd century ADTemple of Zeus built; city flourishes
High Imperial2nd–3rd century ADStadium-theatre, macellum, baths constructed; peak prosperity
Diocletian301 ADPrice Edict inscribed on macellum
Late Antiquity4th–6th centuryChristian conversion; temple converted to church
Byzantine7th–11th centuryContinued occupation; fortress built
Seljuk/Ottoman12th century onwardÇavdarhisar settlement develops
Modern excavation1926–presentGerman and Turkish archaeological teams
UNESCO2012Added to UNESCO Tentative List

Mythological Origins

Ancient sources connect Aizanoi to deep mythological roots:

  • The city's name may derive from Azan, a son of Arcas (himself son of Zeus and the nymph Callisto), who supposedly migrated from Arcadia in Greece
  • An alternative tradition links the name to a local Phrygian deity
  • Aizanoi claimed a connection to Zeus himself — the city tradition held that Zeus was born (or raised) in a sacred cave beneath the temple, rivaling the famous Cretan birth stories
  • This Zeus connection was the basis for the city's most important cult and its magnificent temple

The Temple of Zeus

The Temple of Zeus at Aizanoi is the city's crown jewel and one of the most impressive Roman-era temples surviving in Anatolia.

Architecture:

  • A pseudodipteral Ionic temple — surrounded by a colonnade of freestanding columns, with a double row on the short sides
  • Dimensions: approximately 35 × 53 meters (including the colonnade)
  • Built during the reign of Emperor Hadrian (early 2nd century AD), though a cult existed here much earlier
  • The walls of the cella (inner chamber) stand to nearly their full original height — an extraordinary state of preservation
  • Ionic columns with elegant capitals
  • A basement level (the opisthodomos or cryptoporticus) beneath the temple, possibly used for the cult of Cybele (the Anatolian mother goddess) — creating a rare double-cult temple

The cave beneath the temple:

  • According to local tradition, a sacred cave beneath the temple was the birthplace (or nursery) of Zeus
  • The basement chamber of the temple may incorporate or reference this cave
  • The dual-level design — Zeus above, Cybele below — reflects the synthesis of Greek and Anatolian religious traditions

Preservation:

  • The temple is remarkably intact, with walls, column drums, and architectural elements still in place
  • During the Byzantine period, the temple was converted into a church
  • Later, in the Ottoman period, the cella was used as a storage space — ironically, this continued use protected the structure from complete destruction
  • The Turkish-German archaeological team has conducted careful restoration work

The Combined Stadium-Theatre

Aizanoi's combined stadium-theatre complex is unique in the ancient world — no other example of this design is known.

How it works:

  • The theatre (seating approximately 15,000) and the stadium (seating approximately 13,500) are built back to back, sharing a common wall
  • The theatre occupies the south side, with its cavea (seating bowl) facing south
  • The stadium extends northward as a long, narrow structure
  • The shared wall between them served as the scaenae frons (stage backdrop) of the theatre and the long side of the stadium
  • Spectators could move between the two venues through connecting passages

The theatre:

  • Semi-circular seating in the typical Roman style
  • Approximately 15,000 capacity
  • Used for dramatic performances, musical events, and public assemblies
  • The orchestra area and parts of the stage building survive

The stadium:

  • A long, narrow racing and athletic venue
  • Approximately 13,500 capacity
  • Used for foot races, athletic competitions, and possibly gladiatorial events
  • The starting line (balbis) and seating rows are preserved

Date: Built in the 2nd century AD, during Aizanoi's period of greatest prosperity.

The Macellum and the Price Edict

The macellum (Roman market building) of Aizanoi is famous for bearing one of the most important economic documents from the ancient world.

The building:

  • A circular market building typical of Roman cities
  • Used for the sale of food and other commodities
  • Located near the city center

Diocletian's Price Edict (301 AD):

  • In 301 AD, Emperor Diocletian issued the Edictum de Pretiis Rerum Venalium — the "Edict on Maximum Prices"
  • This edict attempted to control rampant inflation by setting maximum prices for over 1,000 goods and services throughout the Roman Empire
  • The text was inscribed on public buildings in cities across the empire
  • The copy on Aizanoi's macellum walls is one of the most complete surviving versions of this edict
  • It lists prices for: grain, wine, meat, fish, clothing, labor, transport, and many other categories
  • The edict failed — it could not be enforced and was eventually abandoned — but it provides invaluable data about the Roman economy, wages, and the relative value of goods

Significance:

  • The Aizanoi copy has been crucial for economic historians studying Roman prices, wages, and inflation
  • It demonstrates the integration of even inland Anatolian cities into the empire-wide economic system
  • The macellum itself shows the importance of regulated commerce in Roman urban life

The Roman Baths

Aizanoi had impressive bath complexes reflecting the Roman commitment to public hygiene and social life.

Features:

  • Multiple bath buildings identified at the site
  • Standard Roman bath sequence: frigidarium (cold), tepidarium (warm), caldarium (hot)
  • Hypocaust (underfloor heating) systems
  • The highland altitude made heated baths particularly welcome during cold winters
  • Marble decoration and mosaic floors
  • The baths served as gathering places for social interaction, business, and relaxation

The Colonnaded Street

A major colonnaded street connected key monuments of the city:

Features:

  • Columns lining both sides of the main avenue
  • Shops and commercial establishments behind the colonnades
  • Paved road surface
  • Connected the Temple of Zeus to the agora and other public buildings
  • Typical of prosperous Roman cities in the eastern provinces

The Bridges over the Penkalas

The Penkalas (Kocaçay) River flows through the center of Aizanoi, and the ancient city built several stone bridges to connect the two banks.

Key features:

  • At least two Roman-era stone bridges survive
  • Arched construction using local stone
  • Still standing after nearly 2,000 years
  • The bridges, combined with the river and the temple rising above, create one of the most photogenic scenes in Turkish archaeology
  • Some bridges continued in use into the modern period

The Agora and Sacred Cave

The agora of Aizanoi was the commercial and civic center of the city:

Features:

  • A large open square surrounded by colonnades and shops
  • Public inscriptions and honorary monuments
  • Connected to the main colonnaded street

The sacred cave:

  • Ancient tradition held that a cave near the temple was associated with the birth or childhood of Zeus
  • The cave may be incorporated into the temple's basement level
  • This sacred geography gave Aizanoi its special religious significance

Recent Discoveries: The Sculpture Trove

Since 2020, excavations at Aizanoi have produced sensational discoveries that have made international headlines:

The finds:

  • Hundreds of marble sculptures and fragments discovered in and around the stadium-theatre complex and other buildings
  • Sculptures include: portrait heads of emperors and private individuals, mythological figures, decorative reliefs, and architectural elements
  • Many pieces are of exceptionally high quality, rivaling the sculpture workshops of Aphrodisias
  • Finds include portraits possibly representing Alexander the Great, Dionysian figures, and various deities

Significance:

  • The volume and quality of sculpture finds have led to Aizanoi being compared to Aphrodisias — one of the ancient world's premier sculpture centers
  • The discoveries demonstrate that Aizanoi was wealthier and more artistically sophisticated than previously realized
  • The Turkish excavation team, led by Prof. Gökhan Coşkun of Kütahya Dumlupınar University, has been conducting this work since 2011
  • Plans are underway for an expanded site museum to display the finds

Economy and Agriculture

Aizanoi's prosperity was based on a productive agricultural hinterland:

Agriculture:

  • Grain cultivation was the economic backbone — the fertile valley was one of the most productive grain-growing areas in Roman Phrygia
  • Wine production — the region's grape cultivation supported local and regional trade
  • Wool and textile production from sheep raised on surrounding hills
  • The macellum inscription shows integration into empire-wide commodity markets

Commerce:

  • The colonnaded streets and agora indicate a thriving commercial sector
  • The macellum was a dedicated food market
  • Trade connections linked Aizanoi to major cities in western Anatolia and beyond
  • The Price Edict inscription suggests the city was significant enough to warrant a formal copy of imperial economic legislation

Coinage:

  • Aizanoi minted its own coins during the Roman Imperial period
  • Coin types featured the Temple of Zeus, local deities, and imperial portraits
  • The coins provide evidence for trade contacts and economic activity

Religion and Cults

Religion was central to Aizanoi's identity:

The Zeus cult:

  • The primary cult was to Zeus, centered on the magnificent temple
  • The local tradition claiming Zeus's birth connection gave the city special prestige
  • Major festivals and athletic games were held in Zeus's honor

Cybele/Meter:

  • The Anatolian mother goddess Cybele (Meter) was worshipped in the basement level of the Zeus temple
  • This dual-cult arrangement reflects the synthesis of Greek and indigenous Anatolian religious traditions

The Imperial cult:

  • Like most Roman cities, Aizanoi participated in the imperial cult — worship of the deified emperor
  • Imperial portraits and dedications have been found throughout the city

Christianity:

  • During late antiquity, the city converted to Christianity
  • The Temple of Zeus was converted into a church
  • A bishop of Aizanoi is recorded at several early church councils

Daily Life in Roman Aizanoi

At its peak in the 2nd–3rd centuries AD, Aizanoi was a prosperous provincial city of perhaps 20,000–30,000 inhabitants.

Urban amenities:

  • Theatre for entertainment and assemblies (15,000 seats)
  • Stadium for athletic events (13,500 seats)
  • Multiple bath complexes for hygiene and socializing
  • Colonnaded streets for shopping and promenading
  • Agora for commerce and civic life
  • Macellum for food shopping

Social structure:

  • Local elites who funded public buildings and held civic offices (evidenced by numerous honorary inscriptions)
  • Artisans and craftspeople — including skilled sculptors
  • Farmers working the productive valley
  • Merchants connected to regional and empire-wide trade networks

The Penkalas River:

  • The river running through the city center was both a practical resource (water supply, irrigation) and a defining feature of the urban landscape
  • The bridges were essential infrastructure for daily movement

Late Antiquity and Decline

Aizanoi's transition from a prosperous Roman city to a smaller Byzantine settlement was gradual:

Late Roman period (4th–6th century):

  • Conversion to Christianity
  • The Temple of Zeus converted to a church
  • City walls built, possibly indicating increased insecurity
  • Population likely declined but the city remained occupied

Byzantine period (7th–11th century):

  • Continued as a smaller settlement
  • A fortress (kale) was built using spolia (reused stones) from Roman buildings
  • The site was known to Byzantine sources but was no longer a major center

Seljuk and Ottoman periods:

  • The Turkish settlement of Çavdarhisar ("Flint Castle") developed on and around the ancient ruins
  • Village houses were built among and sometimes incorporated Roman structures
  • The Temple of Zeus was used for storage and habitation at various times

Archaeological History

Aizanoi has been the subject of archaeological interest for centuries:

Early visitors:

  • European travelers documented the ruins from the 17th century onward
  • The Temple of Zeus, with its walls standing to great height, was a conspicuous landmark

German Archaeological Institute (DAI):

  • Rudolf Naumann and the DAI began systematic excavations in the 1920s–1930s
  • Work resumed in the 1970s–1980s under Rudolf Naumann and Klaus Rheidt
  • The DAI team documented and partly restored the Temple of Zeus, stadium-theatre, and other monuments

Turkish excavations (2011–present):

  • Prof. Gökhan Coşkun of Kütahya Dumlupınar University has directed excavations since 2011
  • The recent sculpture discoveries (2020 onward) have dramatically raised the site's profile
  • Ongoing restoration of the stadium-theatre, colonnaded streets, and other areas
  • Plans for expanded museum facilities

UNESCO Tentative List

Aizanoi was added to the UNESCO World Heritage Tentative List for Türkiye in 2012.

Criteria cited:

  • The unique combined stadium-theatre complex (no parallel exists)
  • The exceptionally well-preserved Temple of Zeus
  • The macellum with the Diocletian Price Edict inscription
  • The complete Roman urban layout with bridges, streets, agora, baths, and religious buildings

Prospects:

  • The recent sculpture discoveries have significantly strengthened the case for inscription
  • Ongoing conservation and site management improvements support the candidacy
  • If inscribed, Aizanoi would join Türkiye's growing list of World Heritage Sites

How to Visit Aizanoi

Getting there:

  • From Kütahya: 57 km (about 1 hour drive)
  • From Ankara: 260 km (about 3 hours)
  • From Eskişehir: 130 km (about 1.5 hours)
  • The site is at Çavdarhisar — a small town where the ruins are spread through and around the modern settlement
  • No regular public transport; rental car recommended

The site:

  • Allow 2–3 hours for a thorough visit
  • Key stops:
    • Temple of Zeus — the star attraction; walk around and inside the remarkably intact temple
    • Stadium-Theatre complex — understand the unique back-to-back design
    • Macellum — look for the Price Edict inscriptions on the walls
    • Roman bridges over the Penkalas River
    • Colonnaded street — walk the ancient main avenue
    • Baths — examine the Roman heating systems
  • The ruins are spread through the modern town — some walking between sites is required

Best time to visit:

  • Spring (April–June) and autumn (September–October) offer the best conditions
  • Summer can be hot
  • Winter is cold but the site remains accessible

Practical tips:

  • Wear comfortable walking shoes
  • The site is largely open-air with limited shade
  • Bring water and snacks — limited facilities in Çavdarhisar
  • Photography opportunities are excellent — the Temple of Zeus against the sky is iconic
  • Consider combining with a visit to Kütahya city (famous for its Çini/tile tradition)

FAQ

Q: Why is the Temple of Zeus so well preserved? A: Several factors contributed: the temple was reused as a church, then for storage and habitation during Ottoman times. This continued use prevented complete collapse. The robust construction quality also helped — the temple was built to last.

Q: What is the combined stadium-theatre? A: A unique architectural complex where a Roman theatre and stadium are built back to back, sharing a common wall. This design is found nowhere else in the ancient world. It allowed efficient use of space and easy movement between events.

Q: What is the Price Edict? A: Emperor Diocletian's Edict on Maximum Prices (301 AD) attempted to control inflation by setting maximum prices for over 1,000 goods and services. The copy on Aizanoi's macellum walls is one of the most complete surviving versions and provides invaluable data about the Roman economy.

Q: Is Aizanoi on the UNESCO list? A: Aizanoi is on the UNESCO Tentative List (since 2012) but has not yet been formally inscribed. The recent major sculpture discoveries have strengthened its case significantly.

Q: What about the recent sculpture finds? A: Since 2020, hundreds of marble sculptures have been found at Aizanoi, including high-quality portraits and mythological figures. This has led to comparisons with Aphrodisias and made international headlines.

Q: Is the site physically demanding? A: Moderately. The ruins are spread across the modern town, requiring some walking on uneven ground. The terrain is mostly flat to gently rolling.

Q: Can you combine it with other sites? A: Yes. Kütahya city (Çini tile tradition, archaeological museum), Midas City (Phrygian rock monument near Eskişehir), and Gordion (Ankara) are all within reach.

Architectural Measurements and Engineering Data

Precise measurements of Aizanoi's key monuments have been established through over a century of German and Turkish archaeological documentation:

MonumentDimensionsNotes
Temple of Zeus — overall (with colonnade)35 m x 53 mPseudodipteral Ionic plan
Temple of Zeus — podium55 m x 35 m x 3 m (height)Raised platform; marble-clad
Temple of Zeus — column arrangement8 columns (short sides) x 15 columns (long sides)Pseudodipteral: single row with double spacing
Temple of Zeus — cella wallsStanding to nearly full original heightAmong the best-preserved Roman temple walls in Anatolia
Stadium200 m long x 50 m wideCapacity: ~13,500 spectators
TheatreSemi-circular caveaCapacity: ~15,000 spectators
Combined complex shared wallStage building (scaenae frons) = stadium inner wallUnique in the ancient world
MacellumCircular plan2nd-century construction; Price Edict inscribed in 301 AD
Penkalas River bridgesMultiple arched spansAt least 2 still standing after ~2,000 years

The temple's pseudodipteral plan — where the inner row of columns is omitted, creating a wide walkway between the outer colonnade and the cella wall — is significant because the cella walls at Aizanoi are marble-covered, making this temple unique among pseudodipteral structures. A recent reading of the eastern architrave inscription established that the temple was dedicated during the reign of Emperor Domitian, in either AD 92 or AD 94/95 — earlier than the previously assumed Hadrianic date.

Numismatic Evidence

Aizanoi has produced significant numismatic finds that illuminate the city's economic and political connections:

FindDateDetails
Coin hoard (2021)~1st century BC651 Roman coins found in a buried jug near a stream
— DenariiRepublican/Early Imperial439 silver denarii
— CistophoriHellenistic / Early Roman212 silver cistophori (large silver coins of Pergamene origin)
Portraits on coinsVariousCaesar, Brutus, Mark Antony, and young Augustus (Octavian) identified
City mint issuesRoman Imperial periodAizanoi minted autonomous bronze coins featuring the Temple of Zeus, local deities, and imperial portraits

The 2021 coin hoard is archaeologically significant because the mixture of denarii and cistophori — two different monetary systems — documents the transition from Hellenistic to Roman economic practices in inland Phrygia. The presence of coins bearing the portraits of Caesar, Brutus, and Antony places the hoard in the turbulent period of the Roman civil wars (40s–30s BC).

Recent Sculpture Discoveries (2020–Present)

The excavation campaigns directed by Prof. Gokhan Coskun since 2011 have produced an extraordinary sequence of sculpture finds:

YearDiscoverySignificance
2020Multiple marble portrait heads and torsosFirst indications of a major sculpture cache
2021 (October)Marble heads of Aphrodite and DionysusFound in the Penkalas stream bed; high-quality Hellenistic-Roman workmanship
2021 (December)Complete marble statue of HeraclesNear-intact figural sculpture; rare survival
2022–2024Continued recovery of hundreds of fragmentsMythological figures, imperial portraits, architectural reliefs
OngoingSystematic cataloguing and restorationPlans for expanded on-site museum

The volume and quality of these finds have drawn direct comparisons to Aphrodisias — ancient Anatolia's most famous sculpture production centre. Scholars now consider the possibility that Aizanoi maintained its own local marble sculpture workshop, drawing on regional stone sources and trained craftsmen to produce works rivalling the output of larger coastal cities.

The Diocletian Price Edict: Economic Data

The copy of Diocletian's Edict on Maximum Prices (Edictum de Pretiis Rerum Venalium, 301 AD) inscribed on the Aizanoi macellum is one of the most complete surviving versions of this critical document:

AspectDetail
Date of edict301 AD
PurposeMaximum price controls to combat rampant inflation across the Roman Empire
Categories covered1,000+ goods and services: grain, wine, meat, fish, clothing, raw materials, labour, transport
Penalty for violationDeath (stated in the edict's preamble)
OutcomeEdict unenforceable; abandoned within years
Scholarly valueProvides the most detailed surviving data on Roman prices, wages, and cost of living

The Aizanoi copy is particularly valuable because its completeness allows scholars to cross-reference prices and wage data with copies found at other sites (Aphrodisias, Stratonicea, Aezani). The fact that an inland Phrygian city received and prominently displayed the edict demonstrates that even relatively remote provincial centres were fully integrated into the empire-wide administrative and economic system.

Excavation Chronology

PhaseDirector / InstitutionPeriodKey Contributions
Early visitorsEuropean travelers17th century onwardFirst documentation of the Temple of Zeus
First systematic workRudolf Naumann / German Archaeological Institute (DAI)1926–1930sTemple documentation; site plan
Major excavationRudolf Naumann & Klaus Rheidt / DAI1970s–1980sStadium-theatre, macellum, baths; temple restoration
Current excavationProf. Gokhan Coskun / Kutahya Dumlupinar University2011–presentSculpture trove; colonnaded streets; ongoing restoration

Sources

  • UNESCO Tentative List, "Aizanoi Antik Kenti" (whc.unesco.org/en/tentativelists/5727)
  • German Archaeological Institute (DAI), Aizanoi Project
  • Rheidt, Klaus. Die Stadtgrabung Teil 1: Das Heroon. Istanbuler Forschungen.
  • Naumann, Rudolf. Der Zeustempel zu Aizanoi. Denkmäler antiker Architektur.
  • Coşkun, Gökhan. Excavation reports, Kütahya Dumlupınar University.
  • Daily Sabah, "Hundreds of sculptures unearthed in ancient Aizanoi"
  • Republic of Türkiye Ministry of Culture and Tourism
  • Britannica, "Aezani"
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Location Information

Latitude:39.201228
Longitude:29.610305
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