Şile is a small town on the Black Sea, 70 km from the city of Istanbul, Turkey. Şile is a municipality and is the center of the eponym district of Istanbul. According to the 2007 census, the population of the district was 25,169, of which 9,831 lived in the city of Şile, 2,096 in the nearby town of Ağva (Yeşilçay) and 13,242 in surrounding villages...

Ağva is a coastal place at Black Sea, situated between two rivers, Göksu in the west and Yeşilçay in the east. In fact, the name Ağva means “between the rivers”. Yeşilçay is known one of the main source of İstanbul urban water system, the Yeşilçay Drinking Water Plant. Its distance to İstanbul centrum is 97 km (60 mi) and to Şile 38 km (24 mi).
The area around Ağva was a part of ancien...