The Black Church
It is located 3 km far from Yalova center . The Black Church, located in Çiftlikköy , as far east as the 6th century AD. da bath, 8-9th century. It also claims that it was used as a church.
Again, in some sources; It is stated that the Black Church is a Roman water architecture, it was turned into a church in the Byzantine period, and although it shows the Closed Greek Cross Plan, which is a widely used type of Byzantine architecture, with its exedras located in closed places at four corners, it draws attention with the presence of an apse. .