The capital of Congo is Brazzaville. It serves as the capital of the Republic of the Congo, located on the Congo River's banks, directly across from Kinshasa, the capital of the Democratic Republic of the Congo. Brazzaville is an important political, cultural, and economic center within the nation. The city is known for its vibrant markets, colonial architecture, and significant government buildings. Additionally, it plays a vital role in the region's ecological conservation efforts, with nearby national parks and wildlife reserves that showcase the diverse flora and fauna of the Congo basin.