Karasi is a neighborhood in Orhaneli District, in Bursa Province, Türkiye. Karasi lies at 1,042 m above sea level, in the Anatolian plateau mountains. It has 51 inhabitants. The nearest city is Bursa, 27 km to the north. Among the landmarks around are Grand Mosque of Bursa (26 km), Orhan Gazi Mosque (26 km) and Green Mosque (26 km).