The Sinnoh Region (Japanese: シンオウ地方 Shin'ō-chihō) is a region of the Pokémon world. It is located north of Kanto, Johto, and Hoenn. It is the setting of Pokémon Diamond, Pearl, and Platinum. It is composed of the large mainland, the north-eastern island of the Battle Zone, and several smaller islands on both sides of the region.