Ayhan is a neighborhood in Kulp District, in Diyarbakır Province, Türkiye. Ayhan lies at 874 m above sea level, in the Southeastern Taurus mountains. It has 154 inhabitants. The nearest city is Silvan, 23 km to the southwest. Among the landmarks around are Malabadi Bridge (17.7 km), Tigranocerta (23 km) and Hallan Çemi (11.7 km). Among the natural features are Hasuni Caves (20 km).