Fukuroi is a city located in Shizuoka Prefecture, Japan. As of 1 July 2019, the city had an estimated population of 88,395 in 34,842 households, and a population density of 820 persons per km2. The total area of the city was 108.33 square kilometres (41.83 sq mi). Fukuroi is a member of the World Health Organization’s Alliance for Healthy Cities (AFHC).

Kakegawa Castle is a hirayama-style Japanese castle. It was the seat of various fudai daimyō clans who ruled over Kakegawa Domain, Tōtōmi Province, in what is now central Kakegawa, Shizuoka Prefecture, Japan.