Ongun is a neighborhood in Gürpınar District, in Van Province, Türkiye. Ongun lies at 2,177 m above sea level, in the Erek Dağı mountains. It has 329 inhabitants. The nearest city is Bostaniçi, 22 km to the west. Among the landmarks around are Çavuştepe (19.7 km), Varagavank (18.2 km) and Van Fortress (30 km).