Sassel is a former municipality in the district of Broye-Vully in the canton of Vaud in Switzerland. The villages of Cerniaz (VD), Combremont-le-Grand, Combremont-le-Petit, Granges-près-Marnand, Marnand, Sassel, Seigneux and Villars-Bramard merged on 1 July 2011 into the new municipality of Valbroye. Sassel is first mentioned in 1177 as Sases. Sassel has an area, , of . Of this area, or 67.2% is used for agricultural purposes, while or 27.9% is forested. Of the rest of the land, or 4.6% is settled (buildings or roads). Of the built up area, housing and buildings made up 2.1% and transportation infrastructure made up 2.1%. Out of the forested land, all of the forested land area is covered with heavy forests. Of the agricultural land, 50.9% is used for growing crops and 15.3% is pastures. The municipality was part of the Payerne District until it was dissolved on 31 August 2006, and Sassel became part of the new district of Broye-Vully. The village is located on the north-east portion of the Jorat region on the left bank of the Broye river. It consists of the haufendorf village (an irregular, unplanned and quite closely packed village, built around a central square) of Sassel. The blazon of the municipal coat of arms is Per pale Argent and Gules, two Roses counterchanged. Sassel has a population () of 154. , 4.6% of the population are resident foreign nationals. Over the last 10 years (1999-2009 ) the population has changed at a rate of 5.5%. It has changed at a rate of 10.3% due to migration and at a rate of -5.5% due to births and deaths. Most of the population () speaks French (139 or 93.9%), with German being second most common (7 or 4.7%) and Italian being third (2 or 1.4%). Of the population in the village 62 or about 41.9% were born in Sassel and lived there in 2000. There were 35 or 23.6% who were born in the same canton, while 35 or 23.6% were born somewhere else in Switzerland, and 11 or 7.4% were born outside of Switzerland. In there were 2 live births to Swiss citizens and were 2 deaths of Swiss citizens.