Derbent is a neighborhood in İznik District, in Bursa Province, Türkiye. Derbent lies at 576 m above sea level, in the Katırlı Dağları mountains. It has 424 inhabitants. The nearest city is İznik, 9.3 km to the northeast. Among the landmarks around are Nicaea (9.1 km), Green Mosque (9.5 km) and Xerigordos (12.0 km).