Ed-Dur or Ed-Dour is an Ancient Near Eastern City located in Umm Al Quwain, in the United Arab Emirates (UAE). One of the largest archaeological sites in the emirates, comprising an area of some 5 km2 (1.9 sq mi), the coastal settlement overlooks Al-Beidha Lake. One of the most important archaeological finds in the UAE, It has been dubbed 'one of the most significant lost cities of Arabia'.