Colombo District is located in the western part of Sri Lanka and serves as the country's commercial capital. It encompasses the city of Colombo, which is the largest city in Sri Lanka and a major hub for trade and finance. The district is known for its diverse population, vibrant culture, and historical significance. The district features a mix of urban and suburban areas, with various attractions such as beaches, parks, and markets. Key landmarks include the Galle Face Green, Independence Square, and the National Museum of Colombo. The district plays a crucial role in the economy and development of Sri Lanka.