Website listings of interest to users in Nigeria. Browse top quality websites in this TopWeb.Directory category. Nigeria is a country in Africa with the capital at Abuja. The country surface is: 923,768 sq km. Border countries and border surface: Benin 773 km, Cameroon 1,690 km, Chad 87 km, Niger 1,497 km. Languages: English (official), Hausa, Yoruba, Igbo (Ibo), Fulani, over 500 additional indigenous languages.