Located in the very centre of old market district of “Kemeraltı”, Çarşı Mosque is the biggest old mosque in Trabzon. It is built in 1839 by “Hazinedarzade Osman Paşa”. The mosque is an example of high-quality Ottoman stonemasonry. It has a form of three prayer parts between four domed columns. At least as important as its artistic and historical significance, the mosque serves as an active prayer place in the heart of Kemeraltı.