RIUSIAVA (Ῥιουσιαύα), a town in the Agri Decumates, in Germany (Ptol. 2.11.30), is commonly believed to have been situated in the Riesgau, or Ries, which may possibly derive its name from it. [L.S]
Dictionary of Greek and Roman Geography, illustrated by numerous engravings on wood. William Smith, LLD. London. Walton and Maberly, Upper Gower Street and Ivy Lane, Paternoster Row; John Murray, Albemarle Street. 1854.