What is "al-ahsa"

Al-Ahsa or Al-Hasa may refer to:

• Al-Ahsa or Al-Hasa, an oasis region in eastern Saudi Arabia
• Al-Ahsa Governorate, the administrative unit that includes the Al-Ahsa oasis
• Al-Bahrain (historical region), which includes most of Saudi Arabia's Eastern Province
• Al-Ahsa Eyalet, a subdivision of the Ottoman Empire
• Hofuf, also known as Al-Hasa and Al-Ahsa, an urban center in the Al-Hasa region