Peyres-Possens is a former municipality in the district of Gros-de-Vaud in the canton of Vaud in Switzerland. The municipalities of Chapelle-sur-Moudon, Correvon, Denezy, Martherenges, Neyruz-sur-Moudon, Peyres-Possens, Saint-Cierges, Thierrens and Chanéaz merged on 1 January 2013 into the new municipality of Montanaire. Peyres is first mentioned in 1200 as Pairi. Possens was mentioned in 1230 as Pussens. Peyres-Possens had an area, , of . Of this area, or 49.0% is used for agricultural purposes, while or 39.6% is forested. Of the rest of the land, or 9.9% is settled (buildings or roads), or 0.5% is either rivers or lakes. Of the built up area, industrial buildings made up 2.6% of the total area while housing and buildings made up 1.6% and transportation infrastructure made up 1.6%. Power and water infrastructure as well as other special developed areas made up 4.2% of the area Out of the forested land, all of the forested land area is covered with heavy forests. Of the agricultural land, 35.4% is used for growing crops and 12.5% is pastures. All the water in the municipality is flowing water. The former municipality was part of the Moudon District until it was dissolved on 31 August 2006, and Peyres-Possens became part of the new district of Gros-de-Vaud. The former municipality is located on a hilly plateau in the mid-Jorat to the right of the Mentue river. It consists of the villages of Peyres and Possens. The blazon of the municipal coat of arms is Argent, a Wall embattled and towered Gules masoned Sable. Peyres-Possens had a population () of 159. , 11.6% of the population are resident foreign nationals. Over the last 10 years (1999–2009 ) the population has changed at a rate of 31%. It has changed at a rate of 17.2% due to migration and at a rate of 12.9% due to births and deaths. Most of the population () speaks French (128 or 89.5%), with German being second most common (7 or 4.9%) and Albanian being third (6 or 4.2%). There are 2 people who speak Italian. Of the population in the municipality 37 or about 25.