In Oman this ecoregion includes the Musandam Peninsula, the enclave of Oman within the UAE on the Strait of Hormuz, the entrance to the Persian Gulf. In the main part of Oman it includes the coastal plain of the Al Batinah Region on the 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.