More than 1,600 cultural heritage sites are presently registered within Abu Dhabi Emirate. These include more than 1,300 archaeological sites, 150 palaeontological (fossil) sites, and eighty historic buildings. Fossil sites are concentrated in the Western Region (Al Gharbia) along the coast between Jebel Barakah and Rumaitha, and extending inland forty-five kilometres south to the desert interior at Umm al-Ishtan and Jaw al-Dibsa. Archaeological sites are found throughout the Emirate with notable concentrations on the coast and islands as well as Al Ain. Historic buildings are restricted mostly to Abu Dhabi Island and the surrounding area, Al Ain, Liwa and Dalma Island.