About San Jeronimo De Tunan
- About 8,800 people live in San Jeronimo De Tunan.
- It lies in the Junín region.
- It's about 190 km to Lima, the country's largest city.
- For a bigger city, Huancayo is about 15 km away.
- Close by: Concepción (5 km), San Agustin (6 km) and Sicaya (7 km).