Prez is a municipality in the district of Sarine in the canton of Fribourg in Switzerland. On 1 January 2020, the former municipalities of Corsereā¦Prez is a municipality in the district of Sarine in the canton of Fribourg in Switzerland. On 1 January 2020, the former municipalities of Corserey, Noréaz and Prez-vers-Noréaz merged to form the new municipality of Prez.