The Meitetsu Mikawa Line is a 39.8 km (24.7 mi) railway line in Aichi Prefecture, Japan, operated by the private railway operator Nagoya Railroad (Meitetsu) connecting Sanage Station in Toyota and Hekinan Station in Hekinan. It originally extended beyond Hekinan to Kira Yoshida, and beyond Sanage to Nishi Nakagane, with a proposed extension to Asuke substantially constructed but subsequently abandoned.

Aichi Prefecture is a prefecture of Japan located in the Chūbu region of Honshū. Aichi Prefecture has a population of 7,552,873 and a geographic area of 5,172.92 square kilometres (1,997.28 sq mi) with a population density of 1,460 inhabitants per square kilometre (3,800/sq mi). Aichi Prefecture borders Mie Prefecture to the west, Gifu Prefecture and Nagano Prefecture to the north, and Shizuoka Prefecture to the east. Nagoya is the capital and largest city of the prefecture.