- Capital: Muscat
- Population: 4,527,000
- Surface Area: 309,500 km2
- Currency: Omani Rials (1 EUR=0.4126 OMR)
- Religion: Mostly Islam
- Belongs to: ACD, Arab League, GCC, IMF, UN
- Capital: Abu Dhabi
- Population: 9,558,000
- Surface Area: 98,648 km2
- Currency: UAE dirhams (1 EUR=3.9413 AED)
- Religion: Mostly Islam
- Belongs to: ACD, Arab League, GCC, IMF, UN, OPEC