Togo, republic, west Africa, bordered on the north by Burkina Faso, on the east by Benin, on the south by the Gulf of Guinea (an arm of the Atlantic Ocean), and on the west by Ghana. Togo extends about 550 km (340 mi) in a northern-southern direction and ranges from about 40 to 130 km (25 to 80 mi) in width. The nation has an area of 56,785 sq km (21,925 sq mi). The capital of Togo is Lomé.