Tōtōmi Province was a province of Japan in the area of Japan that is today western Shizuoka Prefecture. Tōtōmi bordered on Mikawa, Suruga and Shinano Provinces. Its abbreviated form name was Enshū (遠州). The origin of its name is the old name of Lake Hamana.

Suruga Province was an old province in the area that is today the central part of Shizuoka Prefecture. Suruga bordered on Izu, Kai, Sagami, Shinano, and Tōtōmi provinces; and was bordered by the Pacific Ocean through Suruga Bay to the south. Its abbreviated form name was Sunshū (駿州).