According to researches, the communities began to live in Kayseri in 4000 BC. Kayseri was used by the Hittites for the first time as a city. The Hittites conquered Kayseri in the 2000s. In later years, Kayseri was conquered by many different states.
Then Kayseri was conquered by the Roman Empire. And Kayseri was ruled by the Roman and Byzantine Empires for many years. After the 11th century, Turks began to settle in Kayseri and its surroundings. And Kayseri was finally conquered by the Ottoman Empire. After the breakup of the Ottoman Empire, Kayseri has become a city of the Republic of Turkey.