Bilecik Province is a province in midwest
Turkey, neighboring
Bursa to the west,
Kocaeli and
Sakarya to the north,
Bolu to the east,
Eskisehir to the southeast and
Kütahya to the south, spanning an area of 4,307 km². Population is 225,381. Most of the province laid down in
Marmara Region but eastern parts of Gölpazari and Sögüt district and districts of Inhisar and Yenipazar remained in
Black Sea Region, smaller southeastern parts of Bozüyük and Sögüt remained in
Central Anatolian Region and smaller southwestern part of Bozüyük remained in
Aegean Region.