Is one of the governorates (muhafazah) of Oman. It was previously a region (mintaqah). It became a governorate on 28 October 2011. Adh Dhahirah region consists of three wilayats: Ibri, Yankul, and Dhank. Until October, 2006, two more wilayats were part of the region: Al Buraymi and Mahdha. In October, 2006, a new governorate, Al Buraymi was created from these two wilayats, and a third wilayat, Al Sinaihah was created from parts of the two.