Chancy is a municipality of the Canton of Geneva, Switzerland. The westernmost point of the country is located there. Chancy is first men…Chancy is a municipality of the Canton of Geneva, Switzerland. The westernmost point of the country is located there. Chancy is first mentioned in 1240 as Chancie. Chancy has an area, as of 2009, of 5.36 square kilometers. Of this area, 2.8 km² or 52.2% is used for agricultural purposes, while 1.75 km² or 32.6% is forested. Of the rest of the land, 0.59 km² or 11.0% is settled, 0.21 km² or 3.9% is either rivers or lakes and 0.02 km² or 0.4% is unproductive land.