Sunagawa is a city located in Sorachi Subprefecture, Hokkaido, Japan. As of September 2016, the city has an estimated population of 17,589 and a population density of 220 people per km2. The total area is 78.69 km2.
Wikipedia https://en.wikipedia.org/wiki/Sunagawa,_Hokkaido
Coordinates 43°29'41.74" N 141°54'12.533" E