Congo is located in West Central Africa. It is bound by Gabon to the west, Cameroon to the northwest, Central African Republic to the north, Democratic Republic of the Congo ( Zaire ) to the south and east as well as Angola and the Atlantic Ocean to the southwest. The country can be divided into four topographical zones, (1.) the coastal plain which is a treeless plain with swamps, lakes and rivers that extends along the Atlantic coast and inland to the foothills of the Mayombe Mountains . (2.) The fertile Niari Valley in the south central area which contains the country's best soil. (3.) The central highlands or Bateke Plateau which separates the basins of the Ogoove and Niari Rivers and is covered by dense forests. (4.) The Zaire River Basin in the north which is composed of impassable flood plains in the lower areas and a dry savannah in the upper areas. Much of the Congo is covered by dense grasslands, mangroves and forests. Major Cities : Brazzaville , Pointe-Noire, Loubomo, Nkayi.

The Congo has a tropical climate characterized by high temperatures with humidity around 80% and little seasonal variation. The wet season is between April and late October while the dry season is from November to March. Violent winds and squalls are also common in the wet season.

The population is composed of Bantu tribes except for some isolated groups of Negrillos and Sudanese immigrants. Of the 15 main ethnic groups which are divided into 75 tribes, the Kongo account for 52% of the population while the Teke account for 17%, the Mboshi for 11.5% and the Mbete for 5%. There are also a number of Europeans mainly French.

Mostly Christians which account for around 93% of the population, of which 54% are Roman Catholic, 25% are Protestant and 14% are African Christian. Around 5% of the population follow local native tribal beliefs and the remainder are Muslims.

The official language is French which is used for trade and official purposes. Every ethnic group has its own tribal language with the most widely spoken, Kongo and Teke.