Boralesgamuwa is a suburb of Colombo city, in the Colombo District, Sri Lanka. It on the Colombo-Horana Road about 12 km from commercial capital Colombo. The Boralesgamuwa junction was formerly known as Nagass Handiya.
One of Sri Lanka's largest kaolin deposits is in Boralesgamuwa. The Bellanwila Buddhist Temple is very close to the Boralesgamuwa town.
Post code of Boralesgamuwa is 10290.