Nicasio URL: https://knowledge.ivjn.us/en/places/ca-nicasio.html Nicasio is a village in Marin County, California, United States. **Nicasio** is a village in [Marin County](https://knowledge.ivjn.us/en/places/ca-marin-county.html), California, United States.[^geonames] Updated: 2026-11-01 Tags: - Administrative division https://knowledge.ivjn.us/en/tags/admin-division.html Relations: - Located in: Marin County https://knowledge.ivjn.us/en/places/ca-marin-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip