Britannia is a Unincorporated area located in Carleton, Ontario and has an elevation of 61 meters.

• Latitude: 45° 21' 46'' North   (decimal: 45.3627777)
• Longitude: 75° 47' 39'' West   (decimal: -75.7941666)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Community
• Canadian Province/Territory: Ontario
• Elevation: 61 meters
• Location: Carleton
• Atlas of Canada Locator Map: Britannia
• GPS Coordinate Locator Map: Britannia Lat/Long