England, located in the United Kingdom, is the Mainland of Sodor.
The Mainland is located across the Walney Channel from Sodor and is accessed via the Vicarstown Bridge. Barrow-in-Furness is the nearest mainland station and town to Sodor.
Certain locations on the Mainland have been mentioned by name. These include:
- Henry the Green Engine (mentioned)
- The Narrow Gauge Railway Show Part 1 (mentioned)
- A Day at the National Railway Museum
- Journey Beyond Knapford (mentioned)