Komarno (Polish: Komarno, Ukrainian: Комарно, Yiddish: קאָמאַרנע) is a city in the Horodok Raion (district) of the Lviv Oblast (province) in western Ukraine. 4,000 people live there. It was founded in 1324. In the center of town is an old Polish Kostel (Catholic Church). There is also an old wooden church with ancient icons. The river Vereshytsia flows through the town.