Wikipedia
Wallingwells
Wallingwells is a small civil parish and hamlet in the Bassetlaw district of Nottinghamshire, England, with a population at the 2001 census of 22. The population remained less than 100 at the 2011 census. Details are included in the civil parish of Carlton-in-Lindrick. It lies about five miles north of Worksop. However, part of Wallingwells Is in fact situated across the county border in the district of Rotherham in South Yorkshire.
The parish is one of the few in England still to have an exclave – in this case a small section of land separated from the parish by the Carlton in Lindrick parish.