Kayseri

i.Mount Erciyes and the Foothill Plain

Kayseri sits on a flat plain at 1,050 metres above the sea, at the northern foot of Erciyes Dağı — the great volcano the ancients called Argaios, the largest mountain of central Anatolia, rising to 3,917 metres against the southern horizon. The snow on Erciyes lasts late into summer; the long fields between the mountain and the city are the western edge of the Cappadocian volcanic plateau, fed by the cones of Erciyes, Hasan Dağ, and Melendiz that produced the tufa country to the west. The city of Kayseri is, in this sense, the gate of Cappadocia: every road from İstanbul, Ankara, Konya, or Sivas to the rock churches of Göreme passes through it.

The plain itself is fertile, irrigated by spring water from the volcano, and the meadows that lie between the foothills and the modern industrial periphery have been carrying cities since the Bronze Age. The mound of Kültepe / Kaneš, twenty kilometres northeast of the modern city — the site of the Old Assyrian merchant colony of c. 1950–1750 BCE — is the older of the two great archaeological mounds of Kayseri province; we treat it on the Cappadocia page, where it belongs in the regional narrative.

ii.Mazaka — the Iron Age Tabal Capital

The pre-Roman name of the historic-period city on this site is Mazaka (also spelt Mazaca), and it appears in the late-Assyrian and Greek sources as the capital of the Iron Age Anatolian kingdom of Tabal — one of the Neo-Hittite successor states that emerged on the central plateau after the collapse of the Hittite empire around 1180 BCE. The Tabal kingdom is documented from roughly the 11th to the 7th centuries BCE; Mazaka, on the slopes of the sacred volcano, was its political and religious centre. The Achaemenid Persian satrapy of Katpatuka — the Cappadocia of the Greek geographers — was administered from Mazaka from the 6th century BCE; under the Hellenistic kings of independent Cappadocia (3rd to 1st centuries BCE) Mazaka continued as the royal capital.

iii.Roman Caesarea Cappadociae

The decisive change came in 17 CE, when the emperor Tiberius annexed Cappadocia as a Roman province (see our Cappadocia essay for the wider regional history). Mazaka became the provincial capital and the imperial mint of Cappadocia; in the early 1st century, in honour of the emperor, it was renamed Caesarea Cappadociae — "the Caesar's city of Cappadocia." The Greek form Kaisáreia attached to it, the Arabic-period geographers called it Qaysāriyya, and the modern Turkish Kayseri is a direct descendant of the imperial title.

Roman Caesarea was a substantial city — the wealthiest of the Cappadocian foundations, with a forum, a hippodrome, baths, and the standard apparatus of an eastern provincial capital. Its strategic significance lay in its position on the great Roman road from the Aegean to the Cilician Gates and the Syrian frontier; legions on campaign against the Parthians and later the Sasanians staged through Kayseri. The city's wealth attracted the attention of every conqueror — the Sasanian Shapur I sacked it in 260 CE, after defeating and capturing the Roman emperor Valerian at Edessa.

iv.Saint Basil and the Cappadocian Fathers (4th century)

In the second half of the 4th century, Caesarea became, alongside Antioch and Constantinople, one of the principal theological centres of the eastern Roman empire. Saint Basil the Great (c. 330–379), born in Caesarea Mazaca itself and bishop of the city from 370, founded an extensive complex of hospitals, hostels, and a leper colony — the Basileiados, "Basil's city" — just outside the walls; it has been called the prototype of the medieval European hospital. His brother Gregory of Nyssa and his close friend Gregory of Nazianzus — the other two of the great Cappadocian Fathers, treated together on the Cappadocia page — formed the theological school around him that produced, between roughly 360 and 395, the body of Trinitarian writing on which the eastern Greek-speaking church definitively settled at the Council of Constantinople in 381. The monastic rule that Basil wrote here (the Asketika) became the foundational rule of Greek-Orthodox monasticism. Philip Rousseau's Basil of Caesarea (University of California Press, 1994) is the standard modern scholarly biography.

v.Byzantine Caesarea

Under the long Byzantine centuries Caesarea remained an important provincial capital and a fortified frontier town facing the Arab and later the Seljuk pressure from the east. The walls were rebuilt in stone under Justinian I in the 6th century, and again under the Macedonian dynasty in the 10th. The Arab raids of the 7th to 10th centuries that produced the underground cities of Cappadocia to the west also brushed Kayseri repeatedly; the city was sacked by Arab forces in 647 and again in 726, and the population took repeatedly to the Boyuk Burç citadel that still anchors the city centre. In the 11th century, as Byzantine military strength on the eastern plateau collapsed, Caesarea passed through a series of brief occupations.

vi.The Seljuk Capture and the Eretna Beylik

The Seljuk arrival on the central Anatolian plateau followed the Byzantine defeat at Manzikert in 1071. The Valilik dates the first Turkish entry to 1067, under the Seljuk commander Afşin Bey; the standard scholarly accounts and Britannica put the definitive Seljuk control at around 1080. By the early 12th century Kayseri was a major centre of the Anatolian Seljuk Sultanate of Rûm — see our essay on the Seljuks of Rûm — and from roughly 1170 onward it became, after Konya, the second capital of the Seljuk state, a winter residence for the sultans, and a major centre of the trans-Anatolian caravan trade.

After the collapse of the Seljuk Sultanate in the wake of the Mongol invasions of the mid-13th century, Kayseri was the centre of the Eretna Beylik (1335–1381), a small successor principality founded by an Uyghur emir of Mongol-period Anatolia. It then passed to the Kadı Burhaneddin sultanate (1381–1398), the Karamanid beylik, and finally to the Ottoman empire under Mehmed II in 1474, who annexed it after the defeat of his rival Uzun Hasan of the Akkoyunlu. Under the Ottomans Kayseri was the centre of a sancak in the Karaman eyalet, and from 1845 the capital of its own province.

vii.Hunad Hatun and the Seljuk Architecture

Kayseri preserves one of the densest concentrations of Anatolian Seljuk architecture in Türkiye. The greatest single monument is the Hunad Hatun (Huand Hatun) Külliyesi, the imperial complex built between 1237 and 1238 by Mahperi Hunad Hatun, the Greek-born wife of the Seljuk sultan Alâeddin Keykubad I and the mother of Sultan Gıyaseddin Keyhüsrev II. The complex — mosque, medrese, hamam, türbe (her own tomb), and a stone-vaulted refectory — is the largest and best-preserved Seljuk imperial foundation in Türkiye, and the prototype of the imperial külliye that the Ottomans would later inherit.

Around the city centre are several other major Seljuk works: the Çifte Medrese (1206), a paired Gıyasiye and Şifaiye (medical school and hospital) built by the sultan Gıyaseddin Keyhüsrev I in honour of his sister — among the earliest standing medical-school buildings in the Islamic world; the Döner Kümbet (1276), a small, sixteen-sided conical-roofed tomb of the Seljuk princess Şah Cihan Hatun, with its astonishing stone-carved façade of lions, eagles, and the tree of life; the Sahabiye Medresesi (1267); the Sırçalı Kümbet; and the great Kayseri Kalesi (the citadel) at the heart of the modern city, in its present form a 6th-century Byzantine work substantially rebuilt by the Seljuks in the 13th century. The standard reference is Oktay Aslanapa's Türk Sanatı (1973; English edition Turkish Art and Architecture, Praeger, 1971).

viii.The Ottoman Centuries and the Republic

Under the Ottomans Kayseri was a working provincial capital and a major centre of the long-distance overland trade between Persia, the Mediterranean ports, and the Black Sea. It was famous, by the 17th century, for its Armenian and Greek merchant communities, for its pastırma (cured spiced beef) and sucuk (a related dry sausage) — both still the regional specialty — and for its carpet workshops. The 19th century brought the railway from Ankara (1927) only after the Republic; through the Ottoman centuries the city was reached on the long caravan routes that the Seljuk hans had once protected.

Republican Kayseri grew steadily. The first national Turkish aircraft factory — the Kayseri Tayyare Fabrikası — was opened here in 1926, marking the city's emergence as a manufacturing centre. Through the post-1980 economic liberalisation Kayseri became one of the so-called "Anatolian Tigers" of the export economy — furniture (the Kayseri "Mobilya" cluster is the largest furniture-manufacturing concentration in Türkiye), textiles, and metal industries. The city today is the seat of three universities (Erciyes Üniversitesi, the largest, founded 1978; Abdullah Gül Üniversitesi, founded 2010; and Nuh Naci Yazgan Üniversitesi).

ix.The Modern Province

Under the TÜİK 2024 address-based registration count the province population was 1,452,458, the 16th most populous in Türkiye and the third-largest in Central Anatolia after Ankara and Konya. The metropolitan municipality covers sixteen districts; the four central districts of Melikgazi (~590,000), Kocasinan (~416,000), Talas (~172,000), and İncesu together form the metropolitan core. The eastern district of Develi (~68,000) lies on the southern face of Erciyes, with the small lake of Sultan Sazlığı — a Ramsar-listed wetland and a major waterfowl migration site — at its centre.

Kayseri's economy today is balanced unusually evenly between manufacturing, agriculture, education, and tourism. The Erciyes Ski Resort on the northern slopes of the volcano, opened in its present form in 2014, is — together with Uludağ at Bursa — one of the two principal ski destinations in Türkiye.

x.What to See, in Order

The walking circuit of historic Kayseri is small and concentrated around the citadel. From the Cumhuriyet Meydanı the route runs to the great Hunad Hatun Külliyesi (1238) — mosque, medrese, türbe, hamam, refectory — and the small ethnographic museum housed in the medrese. Across the square stands the Kayseri Kalesi (the citadel, Byzantine and Seljuk); just outside the south wall, the Sahabiye Medresesi (1267). Further south, in a small park, is the Döner Kümbet (1276) and the older Sırçalı Kümbet. East of the centre the Çifte Medrese (1206) — the paired hospital-and-medical-school — has been restored as the Selçuklu Uygarlığı Müzesi, the Museum of Seljuk Civilisation.

Around the city, the half-day excursions reach the Kültepe / Kaneš mound to the northeast (covered on the Cappadocia page), the Erciyes cable-car and ski resort to the south, and — for the regional rock-cut country — the wider Cappadocia circuit through Ürgüp, Göreme, and Uçhisar, all within a hour and a half's drive west.

The gate of Cappadocia — Tabal Mazaka, Roman Caesarea, Seljuk Kayseri — under the great snow of Erciyes.

For the regional rock-cut country to the west, see Cappadocia; for the Seljuk capital and the wider Seljuk-of-Rûm story of which Kayseri was the second city, see Konya and the Seljuks of Rûm. For Türkiye's central plateau in the wider sense, visit our sister site CountryOfTurkey.com.