The Bârlad is a river in eastern Romania, a tributary of the Siret River. Its total length is 207 km. Its source is in the low hills between the Siret and Prut rivers, southwest of Iaşi. It flows generally south, through the cities of Negreşti, Vaslui, Bârlad and Tecuci. The Bârlad river flows through the Romanian counties of Neamţ, Vaslui and Galaţi. It flows into the Siret at Lieşti.