The Hron (; ; ; ) is a long left tributary of the Danube and the second-longest river in Slovakia. It flows from its source in the Low Tatra Mountains (below Kráþova hoþa) through central and southern Slovakia, emptying into the Danube near à  túrovo and Esztergom. Major cities and towns on the Hron are Brezno, Banská Bystrica, SliaÃÂ, Zvolen, à ½iar nad Hronom, à ½arnovica, Nová Baà Âa, TlmaÃÂe, Levice, à ½eliezovce, and à  túrovo.
The river's basin covers , which is approximately 11 percent of Slovakia's territory.
Hron is a popular destination of water tourism.
The name is probably of Germanic origin; *Granahua: gran â spruce, ahua â water.
The name of the river was mentioned for the first time in 170, when Roman Emperor Marcus Aurelius wrote his Meditations at the Hron () river. The first recorded medieval name was Gron (1075). From the 17th century until the 1930s, the river was used for wood transport.