No, you cannot. Pokemon Ruby is solely based in the Hoenn Region, and you cannot go to any other region.
You are currently in the kanto region!
you are already in the kanto region when you start the games
You're in the Kanto region in LeafGreen and FireRed.
Just like the regular Pokemon In Kanto.
Beat the elite four/pokemon league. You will then have access to the Kanto region. Hope I helped!
The Fist Region Is The Kanto Region.
Horsea is a Kanto region pokemon.
kanto
Kanto.
kanto
493 Pokemon total Kanto:151 Pokemon Johto: 100 Pokemon Hoen: 135 Pokemon Sinnoh:107 Pokemon
You can't, the Kanto region is unavailable in Pokémon Diamond.