Toda is a city located in Saitama Prefecture, Japan. It lies in the southern part of the prefecture, in the Greater Tokyo Area, and is bordered by the Arakawa River, which separates it from Tokyo Metropolis to the east.
As of 1 November 2025, the city had an estimated population of 142,715 in 70,998 households, with a population density of 7,841 persons per square kilometre. Its total area is 18.19 square kilometres (7.02 square miles), making it one of the smallest municipalities in Saitama Prefecture by land area.
Toda is known for its industrial character, particularly its concentration of metalworking, machinery, and manufacturing firms, as well as for Toda Park and its boat race course along the Arakawa River.