The Battle of Ueda is a generic name for the battles between the Sanada clan and the Tokugawa clan fought around Ueda-jo Castle in Shinano Province (present day Ueda City, Nagano Prefecture) and neighboring mountain castles, and around Kan-gawa River that runs north-south in the eastern part of Ueda City, etc.
上田合戦（うえだかっせん）は、信濃国の上田城（現：長野県上田市）と近隣の山城周辺、上田市の東部を南北に流れる神川付近などで行われた真田氏と徳川氏の戦いの総称である。