You cannot go to diffrient regions in Pokemon Sapphire.
No you cannot go to other regions in Pokemon Pearl or Diamond version but in Pokemon Heart Gold and Soul Silver you can go to the Jotoh region.
You cannot go to any other regions in Pokémon Black.
No. If you want to go to other regions you must buy other Pokemon games.
No, but you can find Pokemon's from other regions
walk
NO
You cannot go to space in Pokemon Sapphire
No way man unless you call going to birth island a region birth island is sorrta counted as a region sorry. The only thing so far is in gold/silver/crystal you can go to 2 regions jhoto and kanto. They shoud make more regions though!Hope you have fun playing pokemon!
You can go to Kanto in HeartGold and SoulSilver, but Hoeen remains a Ruby/Sapphire/Emerald exclusive continent.
you can only go to kanto and johto
in Pokemon sapphire go in the desert