Rossens (, ) is a former municipality in the district of Sarine in the canton of Fribourg in Switzerland. On 1 January 2016 it merged with Corpataux-Magnedens, Farvagny, Le Glèbe and Vuisternens-en-Ogoz to form the new municipality of Gibloux. History Rossens is first mentioned in 1162 as Rossens. The municipality was formerly known by its German name Rossing, however, that name is no longer used. Geography Rossens had an area, , of . Of this area, or 47.6% is used for agricultural purposes, while or 34.5% is forested. Of the rest of the land, or 16.1% is settled (buildings or roads), or 0.8% is either rivers or lakes. Of the built up area, industrial buildings made up 1.2% of the total area while housing and buildings made up 8.2% and transportation infrastructure made up 5.5%. Out of the forested land, 33.3% of the total land area is heavily forested and 1.2% is covered with orchards or small clusters of trees. Of the agricultural land, 27.1% is used for growing crops and 20.4% is pastures. Of the water in the municipality, 0.2% is in lakes and 0.6% is in rivers and streams. The former municipality is located in the Saane district, on the northern end of the Lake of Gruyère. It consists of the village of Rossens and since 1 June 1972 the former municipality of Illens. Coat of arms The blazon of the municipal coat of arms is Gules between two Post-horns Argent on a Bend Or a Lion passant Azure langued of the first. Demographics Rossens had a population () of 1293. , 7.5% of the population are resident foreign nationals. Over the last 10 years (2000–2010) the population has changed at a rate of 8.4%. Migration accounted for 2.9%, while births and deaths accounted for 7.6%. Most of the population () speaks French (1,012 or 90.8%) as their first language, German is the second most common (63 or 5.7%) and Portuguese is the third (13 or 1.2%). There are 6 people who speak Italian. , the population was 50.3% male and 49.7% female. The population was made up of 535 Swiss men (46.0% of the population) and 51 (4.4%) non-Swiss men. There were 534 Swiss women (45.9%) and 44 (3.8%) non-Swiss women. Of the population in the municipality, 339 or about 30.4% were born in Rossens and lived there in 2000. There were 520 or 46.7% who were