The opinion advocated by scholars in Fukuoka Domain in the Edo period including Tanenobu AOYAGI, Tanemasa NAGANO and Tsunetari ITO, that the construction site of Korokan was Kannai-cho in Hakata had been widely believed until the Taisho period.
江戸時代に福岡藩の学者青柳種信・長野種正・伊藤常足らが鴻臚館の位置を博多の官内町だと唱え、この説は大正まで広く信じられていた。