There's only one Region in Pokémon X and Y and goes by the name Kalos.
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Yes You Can Get A Pikachu In Pokemon X and Y.
Not yet. As of now, Pokemon is coming out with their new games Pokemon X and Pokemon Y in October 2013; which is an entirely new gameplay. So far, the most regions you can travel in a hand-held Pokemon game is in Pokemon HeartGold and Pokemon SoulSilver, through the Johto and Kanto regions.
The Legendary Pokemon available in Pokemon X/Y are:Xerneas (X only)Yveltal (Y only)ArticunoZapdosMoltresMewtwoZygarde
Pokemon X and Y are sold at MSRP of $39.99 (CAD)
Since Pokemon must be transferred from the Poke Transporter to the Pokemon Bank before those from the bank can be brought into Pokemon X or Pokemon Y, as much as 3,000 Pokemon can be transferred through the transporter into the bank. Though the player can't transfer that many Pokemon at once.
Prof. Sycamore will give you the oval charm in Pokemon X and Y.
Pokemon capable of learning Psywave as an Egg Move in Pokemon X and Y are Latios (Pokemon) and Gastly (Pokemon).
I believe X is stronger, but Y looks cooler.
*Mew is not catchable in Pokemon x and y, but you can get him online from wondertrades and such. Mewtwo however, is catchable and you can find him in the cave in pokemon village.
The MSRP of Pokemon Y or X is $39.99 (CAD/USD)
You can't a pokemon from x or y version into pokemon b,w,b2,w2 because mega evoulution,new pokemon and the new type, fairy,but you can put pokemon from b,w,b2,w2 into x and y using pokemon bank and pokemon transport