- Capital: Riyad
- Population: 32.175.000
- Surface: 2.149.690 km2
- Devise: le riyal saoudien (1 EUR=4,1614 SAR)
- Religion: Majorité Islam
- Appartient à: ACD, Ligue arabe, G20, CCG, FMI, ONU, OPEP
- Capital: Manama
- Population: 1.542.000
- Surface: 785 km2
- Devise: le dinar de Bahreïn (1 EUR=0,4266 BHD)
- Religion: Majorité Islam
- Appartient à: ACD, Ligue arabe, CCG, FMI, ONU