Al-Ahsa is a large oasis located in the eastern region of Saudi Arabia. It is known for its rich agricultural land, producing dates, fruits, and vegetables. The oasis is one of the largest in the world and has a significant historical and cultural heritage, with evidence of human settlement dating back thousands of years. The city of Al-Hofuf is the largest city in Al-Ahsa and serves as its administrative center. Al-Ahsa is also home to several historical sites, including the Qasr Ibrahim and the Al-Ahsa Heritage Site, which is recognized by UNESCO for its cultural significance.