Kasbawa is a suburb of the Sri Lankan capital Colombo, which is situated nearly 21 km south from Colombo. Kasbawa is located in Colombo District in Western Province, and it is surrounded by Moratuwa, Piliyandala, Maharagama, Pannipitiya, Bandaragama, and Kahathuduwa, which are suburban cities nearby.
Industries in Kasbawa include the manufacture of furniture, rubber products, and wooden handicrafts.