The Mikawa dialect (三河弁 Mikawa-ben) is a Japanese dialect spoken in eastern half of Aichi Prefecture, former Mikawa Province. It is subdivided into western variety centered Okazaki and eastern variety centered Toyohashi. The Mikawa dialect is classified into the Gifu-Aichi group of the Tokai-Tosan dialect with the Nagoya dialect spoken in western half of Aichi Prefecture, however the Mikawa dialect also closes to dialects spoken in western Shizuoka Prefecture and southern Nagano Prefecture.