River of Love - Ainokawa

Japanese: 会の川 - あいのかわ

...Population 66,821 (1995). Located in the Kazo lowlands in the center of the Kanto Plain, the surrounding area was once a turbulent area of the Tone River (now the Kai River), and natural levees and riverside sand dunes have developed. The old Kazo town in the center is located on the riverside sand dunes on the south bank of the Kai River, and in the Edo period it was a post town on a side road connecting Kumagaya-juku on the Nakasendo and Satte-juku on the Nikko Kaido, and blue stripes were traded at the Rokusai market on May 10th. ...

From [Old Tone River]

…The middle reaches of the Nakagawa River, which flows through eastern Saitama Prefecture. The upper reaches are called the Kai River. It is the course of the Tone River before the early modern period, and refers to the area from the vicinity of Kuki City to the confluence with the Shonai Furukawa River east of Koshigaya City. …

*Some of the terminology that refers to "Kai no Kawa" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…人口6万6821(1995)。関東平野の中心部にあたる加須低地に位置し，付近一帯はかつて利根川本流(現，会の川)の乱流地帯であったため自然堤防や河畔砂丘が発達している。中心街の旧加須町は会の川南岸の河畔砂丘上に位置し，江戸時代は中山道の熊谷宿と日光街道の幸手（さつて）宿を結ぶ脇街道の宿場で，5･10の六斎市には青縞の取引も行われた。…