Britannica Sources used in this answer

Which countries border mainland Equatorial Guinea?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Mainland Equatorial Guinea, also known as Río Muni, is bordered by two countries:

Cameroon to the north.1
Gabon to the east and south.1

The border with Cameroon is partially marked by the Campo River (known as the Ntem in French-speaking Africa), while the border with Gabon follows the course of the Kié (Kyé) River in the east.2