Geography of Oman around the Al Hajar mountains are part of the Gulf of Oman desert and semi-desert ecoregion, while the mountains themselves are a distinct habitat. The northernmost area, Musandam, extends from the tip of the Musandam Peninsula to the boundary with the United Arab Emirates (UAE) at Hisn al Diba. It borders the Strait of Hormuz, which links the Persian Gulf with the Gulf of Oman, and is separated from the rest of the sultanate by a strip of territory belonging to the UAE. This area consists of low mountains forming the northernmost extremity of the Al Hajar al Gharbi (Western
Persian Gulf naming dispute naming the "Arabian Gulf as the Persian Gulf" is that the Red Sea was named Arabian Gulf back then, which "prevented the Arabian Gulf from being named as Arabian Gulf, and instead the name Persian Gulf became common". According to a book "Documents on the Persian Gulf's name" (pp 92–98), the United Nations Secretariat and its specialized agencies have requested its staff to use only "Persian Gulf" as a standard geographical designation. The United Nations Group of Experts on Geographical Names discussed the naming issue during its 23rd session, held in Vienna from 28 March to 4 April 2006. According