The Grand Sultanate of the Mashriq (Arabic: الكبرى سلطنة المشرق or Sulṭanat-akbār al-Māshrīk) was a regional power, with its capital at Cairo, which was comprised of the Sultanates of Egypt, Syria, Arabia, and Mesopotamia. The Mashriq, as the nation is often called, also controlled Iritriya, and had influence over al-Sumal, after helping establish that nation in the early 1400s. The Sultanate was also in a Personal Union with the Hafsid Sultanate of Tunisia at its pre-collapse peak. Ahmed-ad-Din Yusuf, was the last Grand Sultan of the Mashriq.
The Grand Sultanate of the Mashriq was the direct descendent of the Burji Mamluk Sultanate and the Jalayirid Sultanate of Mesopotamia, and occupied the lands once occupied by these two Burji states.