Wincanton
Wincanton is a small town in south Somerset, southwest England. The town lies on the A303 road, the main route between London and South West England, and has some light industry. The town has a population of 4,643.
Wincanton is unique in the fact that it was twinned in 2002 with a town from disc world: Ankh-Morpork
This has been formally approved by Havelock Vetinari himself in the short story A few words from Lord Havelock Vetinary, which has been republished in A blink of the screen.