The Pokémon Company is very active when it comes to its extensive celebrations for Halloween. It is even decorating its official Pokémon Center locations with festive decal. For example, The Pokémon Center in Nagoya is displaying large artwork of the adorable Pikachu dressed as a vampire.
The Pokémon Center is a specialist store for Pokémon goods, and can be found in 11 locations – Sapporo, Tohoku(Sendai), Tokyo, SKYTREE TOWN(Oshiage),Tokyo-Bay(Chiba), Yokohama, Nagoya, Kyoto, Osaka,Hiroshima and Fukuoka. The wide range of original Pokémon Center goods are the most popular items found at the Pokémon Center. If you want Pokémon goods, you know the Pokémon Center is the place to go!
Source: mai @m07_sky and Pokemon.co.jp