- Socotra is not a city, but rather an archipelago located in the Indian Ocean. The largest island in the archipelago is also called Socotra and is known for its unique and diverse flora and fauna. It is often described as the "Galapagos of the Indian Ocean" due to its rich biodiversity. The main settlement on the island is called Hadibu, where most of the local population resides. Socotra is part of Yemen and is an important ecological hotspot and UNESCO World Heritage Site.