A few facts about Ranzan
- About 18,000 people live in Ranzan.
- It's part of the Saitama region.
- It's about 53 km to Tokyo, the country's largest city.
- For a bigger city, Higashi-Matsuyama is about 9 km away.
- Towns nearby: Kumagaya (11 km), Kawagoe (22 km) and Ōta (28 km).