Breg ob Kokri (pronounced [ˈbɾeːk ɔp ˈkoːkɾi]; German: Ranndorf[2]) is a village on the right bank of the Kokra River in the Municipality of Preddvor in the Upper Carniola region of Slovenia.

[3] Breg ob Kokri was attested in historical sources as Rain and Rein between 1147 and 1154, and as Rayn in 1344.

Although it has a Baroque belfry, it has one of the best preserved medieval interiors in Slovenia.

The unique wooden ceiling is painted with 30 individual scenes and dates to circa 1480.

This article about the Municipality of Preddvor in Slovenia is a stub.