To date, regions in the Pokemon universe have been based on parts of Japan, Europe, and the United States. The breakdown is as follows:

- Regions based on Japan: Kanto (Kantō, Japan), Johto (Kansai, Japan), Hoenn (Kyushu, Japan), Sinnoh and Hisui (Hokkaido, Japan)
- Regions based on Europe: Kalos (France), Galar (England, Wales, Scotland, Isle of Man), Paldea (Spain and Portugal)
- Regions based on the United States: Unova (New York City, United States), Alola (Hawaii, United States)