Edo Period Map of Fukuoka. There is a narrow river running parallel to the moat. That is were Kokutai-Dōro is today. The hairlike river that merges with it is the Yakuin Shinkawa (薬院新川). The former name of the river was Shijū-gawa (四十川). It was also written 死時有川 in the past. The upside-down pair shaped island is Minoshima (美野島). Daimyō (大名) is the strip of land just south of the large moat and the river I mentioned above. That is were senior retainers of the feudal lord lived.
