Westmouthshire
Westmouthshire is a fictional county on the south coast of England. It's two largest towns are Westmouth and Walminster. There are also numerous smaller towns, such as Micester, and villages, such as Blackthorpe.
The stories in this universe are stand-alone, but you may see characters appearing or mentioned in multiple stories, and the fictional publications "Ladz" and "The Daily Echo" also crop up many times.