Wakō is a city located in Saitama Prefecture, Japan. As of 1 January 2021, the city had an estimated population of 84,161 in 42,434 households and a population density of 7600 persons per km2. The tot

The Fukutoshin Line, formally the No. 13 Fukutoshin Line, is a 20.2-kilometer subway line operated by Tokyo Metro in west-central Tokyo and Wako, Saitama, Japan.