Kampala (UK: , US: ) is the capital and largest city of Uganda. The city proper has a population of 1,875,834 (2025) and is divided into the five political divisions of Kampala Central, Kawempe, Makindye, Nakawa, and Rubaga.

Kampala's metropolitan area consists of the city proper and the neighboring Wakiso District, Mukono District, Mpigi District, Buikwe District and Luweero District. It has a rapidly growing population that is estimated at 6,709,900 people in 2019 by the Uganda Bureau of Statistics in an area of 8,451.9 km2 (3,263.3 square miles). Other estimates estimate put the size of the metropolitan area at around four million people.

In 2015, this metropolitan area generated an estimated nominal GDP of $13.80221 billion (constant US dollars of 2011), which was more than half of Uganda's GDP for that year, indicating the importance of Kampala to Uganda's economy.

Kampala is reported to be among the fastest-growing cities in Africa, with an annual population growth rate of 4.03 percent, by City Mayors. Mercer (a New York–based consulting firm) has regularly ranked Kampala as East Africa's best city to live in, ahead of Nairobi and Kigali.