Iwamatsu is the center in the historic port town of Tsushima (Tsushima-cho) in Ehime Prefecture, Japan.
[3] Iwamatsu started from a small settlement in the 17th century and quickly grew.
As the shipping industry changed in the 20th century, the historical port hubs like Iwamatsu became obsolete.
The population in Iwamatsu has been in constant decline and the area is heading toward becoming largely abandoned.
Iwamatsu Machinami is a historic street that is promoted by Uwajima City as a tourist attraction with a reference to Shishi Bunroku's novel "Ten'ya Wan'ya".