They serve the purpose of a major side-quest involving Bill and is also where the player character can catch Pokémon from Pokémon Gold and Silver. The Sevii Islands are accessible in Pokémon FireRed and LeafGreen after the player character defeats Blaine.
They are not to be confused with the Orange Islands, another island group near Kanto, or the Blue Islands near Hoenn. The Sevii Islands (ナナシマ Nanashima) are a group of islands located south of the Kanto region. Sevii Island's map pieces (One to Four and Five to Seven)
