Sonoma County is a district of California.
Boundaries: United States Census Bureau, MAF/TIGER Database (https://www.census.gov/geographies/mapping-files/time-series/geo/carto-boundary-file.html) via geoBoundaries, public domain
| City of Cloverdale | no seat recorded | |
| City of Cotati | no seat recorded | |
| City of Healdsburg | no seat recorded | |
| City of Rohnert Park | no seat recorded | |
| City of Santa Rosa | no seat recorded | |
| City of Sebastopol | no seat recorded | |
| City of Sonoma | no seat recorded |
Nothing has been written about Sonoma County here, and neither Wikipedia nor Wikivoyage has an article we could draw one from. If you know the place, that makes you a better source than anything we have. Tell us what is worth knowing and where you got it.
We show Santa Rosa as the capital of Sonoma County. If that is wrong, tell us what it should be and where you read it.
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