evidence: As observed on the physical map above, Equatorial Guinea in west-central Africa has two distinct regions, a mainland region, and an insular region. The country has a total land area of 28,051 sq. km. The mainland of Equatorial Guinea begins on a narrow coastal plain, edged by mangrove swamps. From there, the land rises into an elevated plateau of thickly forested hills to its border with Gabon, reaching (in a few places) upwards of 1,219 m above sea level. [...] Located in Central Africa, Equatorial Guinea has two parts, a mainland region and an insular region. The latter comprises of the islands of Bioko (that hosts the country's capital of Malabo) and Annobón in the Gulf of Guinea. Between these two islands is the island nation of São Tomé and Príncipe. Mainland Equatorial Guinea or Río Muni is bordered by Gabon to the east and south, Cameroon to the north, and a coastline on the Gulf of Guinea.