Derby is a Unincorporated area located in Northumberland, New Brunswick and has an elevation of 20 meters.

• Latitude: 46° 53' 16'' North   (decimal: 46.8877372)
• Longitude: 65° 39' 19'' West   (decimal: -65.6553200)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Dispersed Rural Community
• Canadian Province/Territory: New Brunswick
• Elevation: 20 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Derby
• GPS Coordinate Locator Map: Derby Lat/Long