Guyana (/ɡaɪˈɑːnə/ or /ɡaɪˈænə/), officially the Co-operative Republic of Guyana, is a country on the northern mainland of South America. It is the only English speaking country in South America, and is culturally considered part of the Anglophone-Caribbean sphere. In addition, it is one of the founding member countries of the Caribbean Community organization (CARICOM). Guyana is bordered by the Atlantic Ocean to the north, Brazil to the south and southwest, Venezuela to the west, and Suriname to the east. With an area of 215,000 square kilometres (83,000 sq mi), Guyana is the third-smallest sovereign state on mainland South America after Uruguay and Suriname.