Ontario County is a district of New York.
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 Canandaigua | Canandaigua | 11 k |
| City of Geneva | no seat recorded | 13 k |
| Town of Bristol | no seat recorded | 2 k |
| Town of Canadice | no seat recorded | 2 k |
| Town of Canandaigua | no seat recorded | 11 k |
| Town of East Bloomfield | no seat recorded | 4 k |
| Town of Farmington | no seat recorded | 13 k |
| Town of Geneva | no seat recorded | 3 k |
| Town of Gorham | no seat recorded | 4 k |
| Town of Hopewell | no seat recorded | 4 k |
| Town of Manchester | no seat recorded | 9 k |
| Town of Naples | no seat recorded | 2 k |
| Town of Phelps | no seat recorded | 7 k |
| Town of Richmond | no seat recorded | 3 k |
| Town of Seneca | no seat recorded | 3 k |
| Town of South Bristol | no seat recorded | 2 k |
| Town of Victor | no seat recorded | 15 k |
| Town of West Bloomfield | no seat recorded | 3 k |
Nothing has been written about Ontario 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 Canandaigua as the capital of Ontario County. If that is wrong, tell us what it should be and where you read it.
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