Nasrullah Mosque The Nasrullah Mosque and Complex is a prominent mosque in Kastamonu, Turkey, situated just west of the government office and north of the Gök River. Built in the 16th century during the reign of Sultan Beyazıt II, the mosque was commissioned by Kadı Nasrullah of the Ottoman Empire. It underwent multiple restoration works in 1746, 1845, and 1945. The mosque features nine domes situated over six square columns, while the narthex, or the last prayer room, comprises of seven domes and ten columns. In the north courtyard of the mosque, there is a fountain, and on either side, two minarets can be seen. During the National Struggle, the renowned National Poet Mehmet Akif Ersoy played a vital role in rallying support for the War of Independence. Ersoy traveled extensively throughout Anatolia and delivered a sermon in the Nasrullah Mosque, urging people to join the National Struggle. The Nasrullah Mosque stands as a testament to the Ottoman era's architectural excellence and its significance in Turkey's history.