Colombo, city, executive and judicial capital of Sri Lanka. (Sri Jayawardenepura Kotte, a Colombo suburb, is the legislative capital.) Situated on the west coast of the island, just south of the Kelani River, Colombo is a principal port of the Indian Ocean. Gangaramaya Temple is one of the oldest Buddhist temples in Colombo. It features several chambers, statues, a vihara temple, Bodhi tree and assembly hall for monks. Morning after breakfast proceed to Colombo. proceed city tour in Colombo. can do shopping at Colombo City. Thereafter transfer to airport for the departure flight.