Köşebaşı is a neighborhood in İpekyolu District, in Van Province, Türkiye. Köşebaşı lies at 2,090 m above sea level, in the Erek Dağı mountains. It has 709 inhabitants. The nearest city is Bostaniçi, 9.5 km to the west. Among the landmarks around are Van Fortress (17.7 km), Tushpa (17.6 km) and Varagavank (11.8 km).