- Capital: Moroni
- Population: 921,000
- Surface Area: 1,861 km2
- Currency: Comorian francs
- Religion: Mostly Islam
- Belongs to: ACP, Arab League, IMF, UN, AU
- Capital: Muscat
- Population: 4,527,000
- Surface Area: 309,500 km2
- Currency: Omani Rials (1 EUR=0.4126 OMR)
- Religion: Mostly Islam
- Belongs to: ACD, Arab League, GCC, IMF, UN