Karoo historical Karoo described in South African atlases and guide books (compare the map on the right with the map at the beginning of the article). The Succulent Karoo biome runs along the West Coast, from approximately Lamberts Bay northwards to over 200 km into southern Namibia. It starts in the south just north of the Sandveld geographical region, about 250 km north of Cape Town, and continues through Namaqualand, the Richtersveld, immediately south of the Orange River, and on into the Namaqualand or Namaland region of southern Namibia. None of these regions is ever referred to, either geographically or locally,
Gulf of Oman desert and semi-desert Gulf of Oman continuing along past Muscat to the beaches and dunes of the Ash Sharqiyah Region. From the Ras al Hadd point it runs south along the coast to the desert island of Masirah. It also includes an inland strip running along to the southwest of the Al Hajar Mountains. In the UAE it covers the plains around the Al Hajar mountains in the east, in the emirates of Dubai, Sharjah and Ras Al-Khaimah, and the country's Al Batinah coast around Fujairah. This dry ecoregion contains a mixture of habitats including mangrove swamps, lagoons and mudflats on the coast,