From Bulbapedia, the community-driven Pokémon encyclopedia.
According to my knowledge, かいがん（海岸） means "Shore". I am just not sure enough to change it.--☆TobyTse☆ 15:16, 5 May 2011 (UTC)
According to me it is located to the south of Treasure Town so I changed it. --Raltseye (talk) 17:20, 14 May 2015 (UTC)