Abu Dhabi (Abū Ẓaby) is a city (24°29' N, 54°22' E) and a constituent emirate of the United Arab Emirates (UAE) on the southern littoral of the Persian/Arabian Gulf. Until the late 1960s, the population of Abu Dhabi town was only several thousand, and there were only a few permanent structures, one of which was the ruler's fortress-like palace. The 2005 census put the population of Abu Dhabi emirate at 1,300,000, but by 2013 the population of Abu Dhabi city alone was estimated