Kozan is a neighborhood in Geyve District, in Sakarya Province, Türkiye. Kozan lies at 98 m above sea level, in the Köroğlu mountains. It has 515 inhabitants. The nearest city is Pamukova, 6.5 km to the northeast. Among the landmarks around are Nicaea (36 km), Nicomedia (40 km) and Xerigordos (30 km).