Probably somewhere in sinnoh or Galar. In postwick, twin leaf town, eterna city or turffield or even ballonlea.
More so places that are more cozy feeling.
Over the decades, the Pokémon world has expanded to incorporate more and more inspiration from real-world landscapes, cultures and aesthetics.
Whether you'd be a rural resident or a city-dweller, where in the Pokémon world would you most want to live?