The Nation, Ontario
The Nation 
    La Nation  | |
|---|---|
| The Nation Municipality Municipalité de La Nation  | |
St. Isidore  | |
| Coordinates: 45°21′00″N 75°02′00″W / 45.35°N 75.0333°W | |
| Country | Canada | 
| Province | Ontario | 
| County | Prescott and Russell | 
| Incorporated | 1998 | 
| Government | |
| • Type | Township | 
| • Mayor | Francis Brière | 
| • Federal riding | Prescott—Russell—Cumberland | 
| • Prov. riding | Glengarry—Prescott—Russell | 
| Area | |
 • Total  | 658.93 km2 (254.41 sq mi) | 
| Population  (2021)  | |
 • Total  | 13,350 | 
| • Density | 20.3/km2 (53/sq mi) | 
| Time zone | UTC−05:00 (EST) | 
| • Summer (DST) | UTC−04:00 (EDT) | 
| Postal code | K0A, K0B  | 
| Area code | 613 | 
| Website | www | 
The Nation (La Nation in French) is a municipality in Eastern Ontario, located within Canada's National Capital Region, in the United Counties of Prescott and Russell. The municipality was formed on January 1, 1998, through the amalgamation of the former townships of Caledonia, Cambridge, and South Plantagenet, as well as the Village of St. Isidore.
The municipality is crossed by the South Nation River after which the municipality was named.