Jefferson County borders to the north Ontario, Canada and on St. Lawrence County, in the east Lewis County, in the south Oswego Country and in the west to the Lake Ontario.
Jefferson County is a county in the North Country-Region of the US state new York.
The main travel destination in Jefferson County is the Thousand Islands, whose most famous sight in turn Boldt Castle is.
places
City:
Villages:
- Adams
- Alexandria Bay, With Boldt Castle
- Antwerp
- Black River
- Brownville
- Cape Vincent
- Carthage
- Chaumont
- Clayton
- Deferiet
- Dexter
- Ellisburg
- Evans Mills
- Glen Park
- Herrings
- Mannsville
- Philadelphia
- Sackets Harbor
- Theresa
- West Carthage
Towns:
- Adams
- Alexandria
- Antwerp
- Brownville
- Cape Vincent
- champion
- Clayton
- Ellisburg
- Henderson
- Hounsfield
- Le Ray
- Lorraine
- Lyme
- Orleans
- Pamelia
- Philadelphia
- Rodman
- Rutland
- Theresa
- Watertown
- Vilna
- Worth
