- Capital: Riyadh
- Population: 32,175,000
- Surface Area: 2,149,690 km2
- Currency: Saudi riyals (1 EUR=4.0620 SAR)
- Religion: Mostly Islam
- Belongs to: ACD, Arab League, G20, GCC, IMF, UN, OPEC
- Capital: Doha
- Population: 2,831,000
- Surface Area: 11,490 km2
- Currency: Riyals (1 EUR=3.9552 QAR)
- Religion: Mostly Islam
- Belongs to: ACD, Arab League, GCC, IMF, UN, OPEC