So, Unova is in America ? Pretty interesting idea. Honnestly, Unova being a state in the U.S., makes it more believable as a region compared to Kalos or Alola, which are entire country.
Reading back through this now that was likely a mistranslation considering both of Karen’s Pokémon aren’t from Kanto and Greens Espeon isn’t either, several other contestants use Pokémon from other regions as well