According to research, for the first time in 3000 BC the communities began to live in and around Yalova. In 2000 BC Yalova was conquered by the Hittites. And Yalova has long been an important city of the Hittites.
In 1200 BC after 800 years, Yalova began to be controlled by the Phrygians. But then Yalova was conquered by the Persians. But in a short time Yalova was conquered by the kingdom of Bithynia.
In 74, after the collapse of the Bithynia state, the Roman Empire began to control Yalova. After the division of the Roman empire, Yalova became a city of the Byzantine Empire.
In 1326, the Ottoman Empire conquered Yalova. And after the fall of the Ottoman Empire, Yalova was been a city of the Republic of Turkey. And Yalova, and always has been an important city of the Ottoman Empire and the Republic of Turkey.