Nigeria is considered to be a large nation because of its total area. Its total land area is 923,768 km² (approx. 356,667 mi²). Continental shelf of Nigeria is approximately 42,285 km² (around 16,326 mi²). Nigeria is located in Africa. Africa is the world’s second-largest and second-most populous continent. African countries include, but are not limited to, South Africa, Kenya, Tanzania, Ethiopia, and Egypt. Nigeria has 4 neighbouring countries. Its neighbours include Benin, Cameroon, Chad, Niger. Nigeria is not a landlocked country. It means that is is bordered by at least one major body of water. The average elevation range of Nigeria is 380 m (1,247 ft).

Neighbors
Total length of land borders of Nigeria is 4477 kilometers (~1,729 miles). Nigeria shares its land borders with 4 different countries, and has the same number of unique land boundaries to neigbouring territories. As in the case of Nigeria, if a country has the same number of unique neighboring territories as number of land borders, than that country has no non-contiguous sections of a land border. This is in contrast to several countries that have multiple non-contiguous sections of land borders. Nigeria has 4 neighbouring countries. Its neighbours include Benin, Cameroon, Chad, and Niger. The lengths of the land borders of Nigeria with its neighbouring countries are as follows:

Benin - 773 km (480 mi),
Cameroon - 1690 km (1,050 mi),
Chad - 87 km (54 mi),
Niger - 1497 km (930 mi).
Cities
The capital city of Nigeria is Abuja. The largest cities in Nigeria are Abuja, Lagos, Ibadan, Kano, Ilorin, Port Harcourt, Ogbomosho.

Elevation
The average elevation range of Nigeria is 380 m (1,247 ft). The highest point of Nigeria is Chappal Waddi, with its official height being 2419 m (7,937 ft). The lowest point of Nigeria is an unnamed location. It lies at -0.2 m (0 ft), i.e. below the sea level. The elevation difference between the highest (Chappal Waddi) and lowest (an unnamed location) points of Nigeria is 2419.2 m (2 ft).

Area
The total land area of Nigeria is 923,768 km² (approx. 356,667 mi²). and the total exclusive economic zone (EEZ) is 217,313 km² (~83,905 mi²). The continental shelf of Nigeria is approximately 42,285 km² (around 16,326 mi²). Including land mass and EEZ, the total area of Nigeria is approximately 1,141,081 km² (~440,572 mi²). Nigeria is considered to be a large nation because of its total area.

Forest and arable land
110,890 km² of Nigeria's territory is covered in forests, and forest land comprises 12% of all the land in the country. There are 300,736 km² of arable land in Nigeria, and it comprises 33% of the country's total territory.