A few facts about San Alejo
- About 5,100 people live in San Alejo.
- It lies in the La Unión region.
- San Salvador, the largest city in El Salvador, is about 135 km away.
- For a bigger city, San Miguel is about 24 km away.
- Close by: La Unión (17 km), Santa Rosa de Lima (23 km) and Chirilagua (30 km).