Along the the Ulucanlar Caddesi, this is the Tabaklar Camii. I was informed: Ulucanlar Street has had its name changed to "Izzet Baysal" Street. From the WIkipedia, Bolu article: The industrialist and philanthropist Izzet Baysal was born in Bolu and has built a great number of schools, hospitals and other public buildings in the town including the campus of Abant Izzet Baysal University in the forest outside the town (founded in 1992).