There are many fictional locations in The Railway Series of books by Rev. W. Awdry and his son Christopher. This is a summary of the locations as they appear in The Railway Series books. Follow the links to the slightly different perspective of the television series Thomas the Tank Engine and Friends. The Island of Sodor is the fictional island in the Irish Sea created by Rev. Awdry as the setting for his Railway Series books. It is situated between the Isle of Man and the mainland at Barrow-in-Furness in Cumbria. The capital is Suddery, although the largest town is now Tidmouth.