The largest city of Sri Lanka, with a population of 4,575,000 metropolitan area, and 555,031 in the city limits. It is located on the west coast of the island and adjacent to Sri Jayawardenepura Kotte (which is the official capital of Sri Lanka) suburb.
It was made the capital of the island when Sri Lanka was ceded to the British Empire in 1815.Colombo is also the administrative capital of Western Province, Sri Lanka and the district capital of Colombo District.The name "Colombo", first introduced by the Portuguese in 1505.