Yamagata-koān
(Tùi Yamagata Koān choán--lâi)
Yamagata-kōan (山形県, Yamagata-ken) sī Ji̍t-pún Pún-chiu ê chi̍t-ê kōan, siú-hú sī Yamagata-chhī.
Yamagata-kōan (山形県, Yamagata-ken) sī Ji̍t-pún Pún-chiu ê chi̍t-ê kōan, siú-hú sī Yamagata-chhī.