The Lordship of Oultrejordain or Oultrejourdain was the name used during the Crusades for an extensive and partly undefined region to the east of the Jordan River, an area known in ancient times as Edom and Moab. It was also referred to as Transjordan.

Al-Karak is a city in Jordan known for its medieval castle, the Kerak Castle. The castle is one of the three largest castles in the region, the other two being in Syria. Al-Karak is the capital city of the Karak Governorate.