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.

Iwatsuki Domain was a feudal domain under the Tokugawa shogunate of Edo period Japan, in Musashi Province, Japan. It was centered on Iwatsuki Castle in what is now part of Iwatsuki-ku, Saitama.