Kathiri
（重定向自Kathiri Sultanate）
![](/Images/godic/202501/22/ProtectorateOfSouthArabiaMap1037.jpg")
![A postage stamp of 1942 depicts the sultan and the capital city.](/Images/godic/202501/22/Stamp_Aden_Kathiri_Seiyun_1942_2.5a1037.jpg")
Kathiri (Arabic:الكثيري 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.