北海道には「えさし」という町が２ヶ所ある？！北の枝幸と南の江差、なぜ同じ地名なの？

＞北海道には「えさし」という町が２ヶ所ある？！北の枝幸と南の江差、なぜ同じ地名なの？ | pikule.（ピクル）北海道ローカル情報Webマガジン

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