The South Region is located in the southwestern and south-central portion of the Republic of Cameroon. It is bordered to the east by the East Region, to the north by the Centre Region, to the northwest by the Littoral Region, to the west by the Gulf of Guinea (part of the Atlantic Ocean), and to the south by the countries of Equatorial Guinea, Gabon, and Congo. The South occupies 47,720 km² of territory, making it the fourth largest region in the nation. The major ethnic groups are the various Beti-Pahuin peoples, such as the Ewondo, Fang, and Bulu.