Ehime Prefecture (愛媛県, Ehime-ken) is a prefecture of Japan located on the island of Shikoku. Ehime Prefecture has a population of 1,342,011 (1 June 2019) and has a geographic area of 5,676 km2 (2,191 sq mi). Ehime Prefecture borders Kagawa Prefecture to the northeast, Tokushima Prefecture to the east, and Kōchi Prefecture to the southeast. Matsuyama is the capital and largest city of Ehime Prefecture and the largest city on Shikoku, with other major cities including Imabari, Niihama, and Saijō. Notable past Ehime residents include three Nobel Prize winners: they are Kenzaburo Oe (1994 Nobel Prize in Literature), Shuji Nakamura (2014 Nobel Prize in Physics), and Syukuro Manabe (2021 Nobel Prize in Physics). From Wikipedia