Nuuk is the capital and most populous city of Greenland, an autonomous territory in the Kingdom of Denmark. Nuuk is the seat of government and the territory's largest cultural and economic center. It is also the seat of government for the Sermersooq municipality. In January 2025, it had a population of 20,113 – more than a third of the territory's population – making it one of the smallest capital cities in the world by population.