Colombo district is located in western province in Srilanka.country's capitol Colombo is located in this district.this is the most populated district of Srilanka.some of other main cities belongs to Colombo district are Nugegoda,Maharagama,Degivala,Awissawella,Homagama,Moratuwa,Ratmalana, Kaduwela. and KOTTE. .....KOTTE. is the administrative city of the country and present Parliement is located in KOTTE...

The city Colombo is the Capitol of Srilanka and Colombo city is called as commercial capitol and KOTTE is called as administrative capitol...