Colombo DistrictColombo District (Sinhala: කොළඹ දිස්ත්රික්කයkol̠am̆ba distrikkaya; Tamil: கொழும்பு மாவட்டம்Koḻumpu Māvaṭṭam) is one of the 25 districts of Sri Lanka, the second level administrative division of the country.GutColombo District