Geography

Nigeria is located in western Africa on the Gulf of Guinea, and has a total area of 923,768 sq km (356,669 sq mi); of that around 13,100 sq km (5,000 sq mi) is water. Its size makes it the world's 32nd-largest country (after Tanzania). It is comparable in size to Venezuela, and it is 7 times the size of England. It has 4,047 km (2,515 miles) of border, and is bounded by the Republic of Benin to the west, Niger to the north, Chad to the northeast, Cameroon to the east and the Gulf of Guinea to the south.

Nigeria has a varied landscape, ranging from the Obudu Hills in the southeast, through the beaches in the south, the rainforest, the Lagos estuary and savanna in the middle and southwest of the country and the Sahel and the encroaching Sahara in the extreme north. The highest point in Nigeria is Chappal Waddi at 2,419 m (7,936 feet).

Nigeria's main rivers are the Niger and the Benue which converge and empty into the Niger Delta, the world's largest river deltas.

The country has at least 6 cities with a population of over 1 million people, including Lagos, the largest city in sub-Saharan Africa, with a population of over 10 million for the urban area alone. Other large cities include Ibadan, Kaduna, Port Harcourt and Benin City.