data seto japanSeto Localisation : Country Japan, Prefecture Aichi. Available Information : Geographical coordinates, Population, Area, Altitude, Weather and Hotel. Nearby citiesSeto, city, Aichi ken (prefecture), central Honshu, Japan, northeast of Nagoya. Seto, established about 1230, is known for its porcelain (Seto ware). Since the Meiji period (1868–1912),