Numazu is a city located in eastern Shizuoka Prefecture, Japan. As of 1 December 2019, the city had an estimated population of 189,486 in 91,986 households, and a population density of 1,014 persons per km2. The total area of the city is 186.96 square kilometres (72.19 sq mi).

Odawara Domain was a Japanese domain of the Edo period, located primarily in western Sagami Province. It was centered on Odawara Castle in what is now the city of Odawara.