The Gulf of Guinea, located in the central and western Africa, consists of the Mooney River region of the mainland and the islands of Bioko, Annoben and Corisco in the Gulf of Guinea. The Muni River region borders the Atlantic Ocean in the west, Cameroon in the north and Gabon in the east and south. The coastline is 482 kilometers long. Coastal areas are long and narrow plains with straight coastlines and few harbors. Inland is a plateau, generally 500- 1000 meters above sea level. The central mountain range divides the Muni River region into the Benito River in the north and the WuTamboni River basin in the south. Each island is a volcanic island, an extension of Cameroon volcano in the Gulf of Guinea. There are more extinct volcanoes than Oko Island, and the Steber Peak in the middle is 3007 meters above sea level, which is the highest point in China. The main river is the Mbini River. It belongs to the equatorial rainforest climate, with an average annual temperature of 24-26℃ and an annual precipitation of 2000-3000mm. There are many forests, producing precious wood such as okanmei and ebony. The islands are all formed by volcanoes, with rugged terrain and the highest point of 3007 meters; There is a plain with a width of 15-25 kilometers along the coast of the mainland, and the inland is a plateau mountain with an altitude of 600-900 meters.

Simply put, it is located in central and western Africa, bordering the Atlantic Ocean in the west.