Bozüyük (Turkish: [ˈbozyjyc]) is a city in Bilecik Province in the Marmara region of Turkey.

It is the seat of Bozüyük District.

[1] Bozüyük depends economically on Eskişehir.

It consists of 10 quarters: Çarşı, Kasımpaşa, Tekke, Yeni, Yediler, 4 Eylül, Yeşilkent, Içköy, Akpınar and Yenidoğan.

This geographical article about a location in Bilecik Province, Turkey is a stub.