evidence: The Socotra Island is part of the Socotra Archipelago, which is officially one of the governorates of Yemen. [...] Socotra, an archipelago located 150 miles off the Horn of Africa in the Gulf of Aden, is officially part of Yemen. Socotra Island makes part of a group of four islands, and it’s the largest one in the Socotra Archipelago. [...] Socotra has been part of Yemen since the country was formed in 1990 with the unification of North and South Yemen. Before 1990, Socotra was under the control of South Yemen, which was a Marxist state known as the People’s Democratic Republic of Yemen.