Wikipedia
Kathiri
Kathiri ( al-Kathīrī, officially the Kathiri State of Seiyun in Hadhramaut (Arabic: السلطنة الكثيرية - سيؤن - حضرموت al-Salṭanah al-Kathīrīyah - Sayʾūn - Ḥaḍramawt) was a sultanate in the Hadhramaut region of the southern Arabian Peninsula, in what is now part of Yemen and the Dhofar region of Oman.