Koçköy is a neighborhood in Tuşba District, in Van Province, Türkiye. Koçköy lies at 1,787 m above sea level, 0.2 km from the Erek Dağı mountains. It has 190 inhabitants. The nearest city is Bostaniçi, 23 km to the south. Among the landmarks around are Van Fortress (26 km), Tushpa (26 km) and Varagavank (29 km).