Iyo Province was a province of Japan in the area of northwestern Shikoku. Iyo bordered on Sanuki Province to the northeast, Awa to the east, and Tosa to the south. Its abbreviated form name was Yoshū.
Hiroshige ukiyo-e "Iyo" in "The Famous Scenes of the Sixty States" (六十余州名所図会), depicting the port city of Saijō