- Capital: Mascate
- Population: 4.179.000
- Surface: 309.500 km2
- Devise: le rial d’Oman (1 EUR=0,4672 OMR)
- Religion: Majorité Islam
- Appartient à: ACD, Ligue arabe, CCG, FMI, ONU
- Capital: Doha
- Population: 2.781.677
- Surface: 11.610 km2
- Devise: le rial du Qatar (1 EUR=4,4233 QAR)
- Religion: Majorité Islam
- Appartient à: ACD, Ligue arabe, CCG, FMI, ONU, OPEP