Carouge is a municipality in the Canton of Geneva, Switzerland, with a population of 19,114 (2007).
Carouge is first mentioned in the Early Middle Ages as Quadruvium and Quatruvio. In 1248 it was mentioned as Carrogium while in the 14th Century it was known as Quarrouiz or Quarroggi. In 1445 it was mentioned as Quaroggio. The current city was built from the ground up, by Victor Amadeus III of Sardinia, King of Sardinia and Duke of Savoy, starting on 31 January 1786.
Carouge has an area, as of 2009[update], of 2.7 square kilometers (1.0 sq mi). Of this area, 0.13 km2 (0.050 sq mi) or 4.8% is used for agricultural purposes, while 0.23 km2 (0.089 sq mi) or 8.5% is forested. Of the rest of the land, 2.25 km2 (0.87 sq mi) or 83.3% is settled (buildings or roads), 0.04 km2 (9.9 acres) or 1.5% is either rivers or lakes.
Of the built up area, industrial buildings made up 18.5% of the total area while housing and buildings made up 31.9% and transportation infrastructure made up 20.7%. Power and water infrastructure as well as other special developed areas made up 4.1% of the area while parks, green belts and sports fields made up 8.1%. Out of the forested land, 6.3% of the total land area is heavily forested and 2.2% is covered with orchards or small clusters of trees. Of the agricultural land, 3.3% is used for growing crops and 1.5% is pastures. All the water in the municipality is flowing water.