It appears to be only the Unova looking at the Japanese version. You will be able to go to most of the same places as in Black and White versions, including some new places not accessible before. There will also be some changes between these games including the desert route 4.
1, the unova region
4 because the sell pokemon white and pokemon black and know they sell pokemon white 2 and pokemon black 2
You will encounter N many times in Pokemon Black & White.
There are 300 Pokemon in the Pokemon Black 2 and White 2 Unova Pokedex.
There are 26 legendary Pokemon in Pokemon black/white version.
6 pokemon.
There are 156 pokemon in black so it's probably the same for white.
There are 156 new Pokemon in Black and White, which brings the new total number to 649.
March 27, 2011 is when Pokemon black and white comes out.
There are 649 pokemon.
There's only 1 region in Pokémon Black.
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