- Capital: Kuwait City
- Population: 4,860,000
- Surface Area: 17,820 km2
- Currency: Kuwaiti dinars (1 EUR=0.3332 KWD)
- Religion: Mostly Islam
- Belongs to: ACD, Arab League, GCC, IMF, UN, OPEC
- Capital: Muscat
- Population: 4,527,000
- Surface Area: 309,500 km2
- Currency: Omani Rials (1 EUR=0.4165 OMR)
- Religion: Mostly Islam
- Belongs to: ACD, Arab League, GCC, IMF, UN