Wales

Wales was a location which existed in multiple universes. It was part of the United Kingdom, and its residents, the Welsh, were therefore British — but not, contrary to popular belief among foreigners, English.

In the home universe of Jenny Over-There, the original M.F.S. office was located in Wales, with a later branch in Scotland. (PROSE: Open Sourcing)

Dynamite Thor, after moving there, confessed to Jenny that he'd never been to Wales in his original universe, suggesting it also existed there. (PROSE: A Series of Queer Events)

In Reality Z-25 31-H, Kate Five was Welsh, (COMIC: Kate Five vs Symbiote - Chapter 2) with the headquarters of her superhero team Section P being in Cardiff. (COMIC: Kate Five vs Symbiote - Chapter 1)