Koudougou is a city in Burkina Faso's Boulkiemdé Province. It is located 75 kilometres (47 mi) west of Ouagadougou, the capital of Burkina Faso. With a population of 160,239 (2019), it is the third most populous city in Burkina Faso after Ouagadougou and Bobo Dioulasso, and is mainly inhabited by the Gurunsi and Mossi ethnic groups. Koudougou is situated on the only railway line in Burkina Faso and has some small industries, a market, a university and provincial government offices.

Ouagadougou or Wagadugu is the capital of Burkina Faso, and the administrative, communications, cultural and economic centre of the nation. It is also the country's largest city, with a population of 2,415,266 in 2019. The city's name is often shortened to Ouaga. The inhabitants are called ouagalais. The spelling of the name Ouagadougou is derived from the French orthography common in former French African colonies.