From Bulbapedia, the community-driven Pokémon encyclopedia.
Arborville (Japanese: ハテノ村 Hateno Village) is an anime-exclusive location in the Johto region and one of the settings of Celebi: The Voice of the Forest.
Arborville is a small treetop village located in a forest. It was visited by Ash, his friends, and Sammy. According to anime maps, Arborville is located just north of Olivine City. Known residents of Arborville include Towa, Diana, and Mr. White.
It bears a remarkable similarity to Fortree City, a city in Hoenn that was featured in Pokémon Ruby and Sapphire three years later. Just like Fortree City, all of Arborville's houses are built in trees.
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