- 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
- Capital: Doha
- Population: 2.831.000
- Surface: 11.490 km2
- Devise: le rial du Qatar (1 EUR=4,0393 QAR)
- Religion: Majorité Islam
- Appartient à: ACD, Ligue arabe, CCG, FMI, ONU, OPEP