Ad Dakhiliyah Governorate
| Ad Dakhiliyah محافظة الداخلية | |
|---|---|
| Ad Dakhiliyahh, Governorate of Oman | |
| Country | Oman | 
| Capital | Nizwa | 
| Government | |
| • Governor | Hilal bin Said bin Hamdan Al Hajri | 
| Area | |
|  • Total | 31,900 km2 (12,300 sq mi) | 
| Population  (2020) | |
|  • Total | 478,500 | 
| • Density | 15/km2 (39/sq mi) | 
| ISO 3166 code | OM-DA | 
Ad Dakhiliyah (Arabic: الداخلية, romanized: Ad-Dāḫilīyah, lit. 'The Interior') is one of the eleven governorates (muhafazah) of Oman with Nizwa town as the regional center. It was previously a region (mintaqah). It became a governorate on 28 October 2011.