Ouagadougou 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 2,200,000 in 2015.
Wikipedia

Burkina Faso is a landlocked country in West Africa. It covers an area of around 274,200 square kilometres and is surrounded by six countries: Mali to the north; Niger to the east; Benin to the southeast; Togo and Ghana to the south; and Ivory Coast to the southwest.
Wikipedia