al-Ukhaydir
Tabuk Province, Saudi Arabia · built 1531
Al-Ukhaydir (also spelled al-Akhthar, al-Akhdar, al-Akhider, Akhizer), also known as Haydar or Aqabat, is a site in the Tabuk Province in Saudi Arabia, located southeast of Tabuk. During early Ottoman rule, a fort, Qal'at al-Akhdar, was built at the site, part of the larger network of fortifications along the Hajj caravan route to Medina and Mecca.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).