The Municipality of Zagorje ob Savi (pronounced [zaˈɡoːɾjɛ ɔp ˈsaːʋi]; Slovene: Občina Zagorje ob Savi) is a municipality in central Slovenia.

The seat of the municipality is the town of Zagorje ob Savi.

The area is part of the traditional region of Upper Carniola.

The entire municipality is now included in the Central Sava Statistical Region.

[2] Archaeological evidence shows that the area was already settled in the Late Bronze Age and Iron Age.