Zerzevan Castle, also known as Zerzevan Kalesi, is an ancient fortress located in Çınar, a district in the Diyarbakır Province of southeastern Turkey. This historical site holds great significance as it reflects the region's rich history and architectural heritage. Constructed during the Roman period, Zerzevan Castle served as a military stronghold on the eastern frontier of the Roman Empire. It was part of a larger defensive system known as t..