Elobey, Annobón, and Corisco was a colonial administration of Spanish Africa consisting of the island of Annobón, located southwest of São Tomé and Príncipe in the Gulf of Guinea, and the small islands of Elobey Grande, Elobey Chico, and Corisco, located in the Corisco Bay near the mouth of the Mitémélé River in the Muni Estuary. Wikipedia