La Sonnaz is a municipality in the district of Sarine in the canton of Fribourg in Switzerland. The municipality was created in 2004 through the merger of Cormagens, La Corbaz and Lossy-Formangueires. The municipal administration, the kindergarten and the primary school are in Lossy.

Barberêche is a former municipality in the district of Lac in the Swiss canton of Fribourg. It lies on the "language boundary" between the French- and German-speaking parts of Switzerland. On 1 January 2017 it merged with Villarepos and Wallenried into the extant municipality of Courtepin.