Description: Banya Bashi Mosque (Bulgarian: Баня баши джамия, Banya bashi dzhamiya; Turkish: Banya Başı Camii) is a mosque in Sofia, Bulgaria. It is one of the oldest mosques in Europe, having been completed in 1576, during the years the Ottomans had control of the capital. The mosque derives its name from the phrase Banya Bashi, which means many baths. The most outstanding feature of the Mosque is that it was actually built over natural thermal spas. One can even see the steam rising from vents in the ground near the Mosque walls. The Mosque is famous for its large dome and the minaret rising upward to the sky.