Sinop Castle
The castle is considered to have been built by the Gaskas (Kaskas), the indigenous people living in the region in 2000 BC, or by migrants who came from ancient Miletus on the Aegean coast, settled in Sinop, and colonized there in the VIII century BC. It was constantly restored during the Romans and Byzantines. The castle, which was captured by the Seljuks in 1214 and 1261, was repaired and the inner castle was built in order to strengthen the defense. Sinop city walls completely encircle the narrowest neck of the peninsula.
