there r 2 regions. sinnoh and the battle frontier
Chat with our AI personalities
Sadly no.
I'm pretty sure you can't.
you can go to all the regions. First tou have to beat the battle frontier and find this old man with a ghost Pokemon and then you go home and you will find may.and you will get to battle any were.
Go to other regions and talk to the professors sorry that's all i know
in sinnoh 210