Mazsalaca (pronounced [ˈmɑsːɑlɑtsɑ] ⓘ; Livonian: Piškisalāts, Estonian: Väike-Salatsi,[3] German: Salisburg) is a town in Valmiera Municipality in the Vidzeme region of Latvia.

The area includes the largest known Stone Age burial site in Northern Europe and was first settled ca.

The present town began to develop in 1864, when a bridge over the Salaca river was constructed.

During World War II, Mazsalaca was under German occupation from 4 July 1941 until 25 September 1944.

In October 2009 a meteorite crater was found near the town,[5] which later turned out to be hoax as part of marketing campaign of telecommunication company Tele2.