Kathiri
Kathiri, also known as the Kathiri sultanate (Arabic: السلطنة الكثيرية, romanized: al-Saltanah al-Kathīrīyah), and officially as the Kathiri State of Seiyun, was a sultanate in the Hadhramaut region of the southern Arabian Peninsula, in what is now part of Yemen and the Dhofar Governorate of Oman. It was established in 1379 and ruled Hadhramaut from Dhofar in the east to Sharura in the Empty Quarter in the north and Ain Bamabd in the south.