A few facts about Ouellah
- Ouellah is among the 20 largest cities in the Comoros, with a population of about 5,500.
- It lies in Grande Comore.
- It's about 36 km to Moroni, the country's largest city.
- Close by: Nkourani (5 km), Mbéni (13 km) and Ikoni (41 km).