Shinshiro is a city located in Aichi Prefecture, Japan. As of 1 October 2019, the city had an estimated population of 44,581 in 17,691 households, and a population density of 89.3 persons per km2. The total area of the city is 499.23 square kilometres (192.75 sq mi).

Toyokawa is a city in the eastern part of Aichi Prefecture, Japan. As of 1 October 2019, the city had an estimated population of 183,930 in 72,949 households, and a population density of 1,141 persons per km2. The total area of the city is 161.14 square kilometres (62.22 sq mi). Toyokawa, famous for its Toyokawa Inari temple, has a good balance of industry, commerce, agriculture and forestry, and is situated in an area rich in history, traditions, and culture.