Bimaristan Arghun Al-Kamli or Bimaristan al-Arghuni, also known as Argun Bimaristan or Arghun al-Kamili Bimaristan, is a historic medieval hospital located in Aleppo, Syria. It was built in 1354 by the deputy sultan Arghun Al-Kamli who represented the Mamluk sultanate in Aleppo. The bimaristan, which is considered one of the most important hospitals built in the Islamic world, was inscribed as a UNESCO World Heritage Site in 1986 as part of the ancient city of Aleppo.