Hron (, , , ) is a long left tributary of the Danube and the second longest river in Slovakia. It flows from its source located in the Low Tatra mountains (under Králova hola) through central and southern Slovakia, pouring into the Danube near Štúrovo and Esztergom. Major cities and towns situated on the Hron are Brezno, Banská Bystrica, Sliac, Zvolen, Žiar nad Hronom, Žarnovica, Nová Bana, Tlmace, Levice, Želiezovce, and Štúrovo.