| Ad Dakhiliyah | |
|---|---|
| Governorate | |
|  Ad Dakhiliyahh, Governorate of Oman | |
| Country | Oman | 
| Capital | Nizwa | 
| Area | |
| • Total | 31,900 km2 (12,300 sq mi) | 
| Population (2010 census) | |
| • Total | 458,189 | 
| • Density | 14/km2 (37/sq mi) | 
Ad Dakhiliyah (Arabic: محافظة الداخلية Muḥāfaẓat ad-Dāḫilīyah, English: Interior Governorate) is one of the 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.
Ad Dakhiliyah Governorate consists of eight provinces (wilayat):
Coordinates: 22°N 57°E / 22°N 57°E