Guinea-Bissau (full name, The Republic of Guinea-Bissau) covers an area of approximately 36,000 sq km with a terrain consisting of mostly low coastal plain rising to savanna in the east. Guinea-Bissau borders Guinea and Senegal, and has 350 km of coastline. The country is divided into 9 administrative regions: Bafata, Biombo, Bissau, Bolama, Cacheu, Gabu, Oio, Quinara and Tombali. Bissau is the capital, with a time zone corresponding to that of GMT. The currency is the CFA (Communaute Financiere Africaine) franc, and exports include cashew nuts, shrimp, peanuts, palm kernels and sawn timber. The population of approximately 1,500,000 people are mostly African and include Balanta, Fula, Manjaca, Mandinga and Papel ethnic groups. Primary languages are Portuguese, Crioulo and various African languages, and the predominant religions are indigenous beliefs, Islam and Christianity.