Brienz (US: bree-ENTS, German: [briːnts], Alemannic German pronunciation: [b̥riə̯nts]) is a village and municipality on the northern shore of Lake Brienz , at the foot of the Brienzer Rothorn mountain, and in the Bernese Oberland region of Switzerland. Besides the village of Brienz, the municipality includes the settlements of Kienholz and Axalp .

Politically, the municipality is located in the Interlaken -Oberhasli administrative district of the Canton of Bern .

The first settlements date from the Neolithic and Bronze Ages. In the 5th century BC, the Celts settled in the alpine valleys among the sources of the Rhone, the Rhine and the Danube , eventually stretching from the headwaters down to Vienna and Belgrade. At the end of 1st century BC the Romans conquered this area.