<P> At 245,857 km (94,926 sq mi), Guinea is roughly the size of the United Kingdom . There are 320 km (200 mi) of coastline and a total land border of 3,400 km (2,100 mi). Its neighbours are Ivory Coast (Côte d'Ivoire), Guinea - Bissau, Liberia, Mali, Senegal and Sierra Leone . It lies mostly between latitudes 7 ° and 13 ° N, and longitudes 7 ° and 15 ° W (a small area is west of 15 °). </P> <P> Guinea is divided into four main regions: Maritime Guinea, also known as Lower Guinea or the Basse - Coté lowlands, populated mainly by the Susu ethnic group; the cooler, mountainous Fouta Djallon that run roughly north - south through the middle of the country, populated by Fulas, the Sahelian Haute - Guinea to the northeast, populated by Malinké, and the forested jungle regions in the southeast, with several ethnic groups . Guinea's mountains are the source for the Niger, the Gambia, and Senegal Rivers, as well as the numerous rivers flowing to the sea on the west side of the range in Sierra Leone and Ivory Coast . </P> <P> The highest point in Guinea is Mount Nimba at 1,752 m (5,748 ft). Although the Guinean and Ivorian sides of the Nimba Massif are a UNESCO Strict Nature Reserve, the portion of the so - called Guinean Backbone continues into Liberia, where it has been mined for decades; the damage is quite evident in the Nzérékoré Region at 7 ° 32 ′ 17" N 8 ° 29 ′ 50" W ﻿ / ﻿ 7.53806 ° N 8.49722 ° W ﻿ / 7.53806; - 8.49722 . </P> <P> The Republic of Guinea covers 245,857 square kilometres (94,926 sq mi) of West Africa, about 10 degrees north of the equator . Guinea is divided into four natural regions with distinct human, geographic, and climatic characteristics: </P>

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