Arısu is a neighborhood in Tuşba District, in Van Province, Türkiye. Arısu lies at 1,669 m above sea level, 6.6 km from the Pirreşit Dağı mountains. It has 439 inhabitants. The nearest city is Alipaşa, 18.2 km to the southeast. Among the landmarks around are Ayanis (9.9 km), Ktuts Monastery (12.6 km) and Van Fortress (16.3 km).