Río Muni Province
The Province of Río Muni was a former Spanish province in Africa. It consists of modern-day Equatorial Guinea plus the islands of Corisco and Elobey. It borders Gabon to the east and south and Cameroon to the north. Its administrative capital is Bata.
History
The territory of the province was ceded by Portugal to Spain in 1778.
The delimitation of the continental territory was carried out in the Spanish-French treaty of 1900.
It was a Spanish province together with Fernando Poo from 1959 to 1963, later it would become part of the Autonomous Region of Equatorial Guinea, a name it retained until its independence from Spain in 1968.
On September 1 of 1960 the Provincial Council of Río Muni was established in the city of Bata, whose first president was José Vedú .[1]
The province registration prefix was RM, established by an Order on 20 June 1961, which was annulled by Order of 17 March 1969.[2]