It is also known by its short-form name Burkina, is a landlocked country in West Africa around 274,200 square kilometres (105,900 sq mi) in size. It 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. Its capital is Ouagadougou. In 2010, its population was estimated at just under 15.75 million