Şebinkarahisar
Şebinkarahisar, or as it is popularly known as Karahisar, is a district of Giresun. It became a province in 1923 and became a part of Giresun province in 1933. Its name in the Ottoman period was Şarkikarahisar. The form of Karahisar-ı Şarki was also used. It means "East Karahisar".