Oderzo (; ) is a comune, with a population of 20,003, in the province of Treviso, in the Italian region of Veneto.It lies in the heart of the Venetian plain, about 66 km 0 abbr=off to the northeast of Venice. Oderzo is crossed by the Monticano river, a tributary of the Livenza.

The centro storico, or town center, is rich with archeological ruins which give insight