GerlafingenGerlafingen is a municipality in the district of Wasseramt in the canton of Solothurn in Switzerland. Gerlafingen is first mentioned in 1278 as Nidergerolvingen. Gerlafingen has an area, , of . Of this area, or 9.7% is used for agricultural purposes, while or 10.3% is forested. Of the rest of the land, or 82.2% is settled (buildings or roads), or 1.1% is either rivers or lakes. Of the built up area, industrial buildings made up 15.7% of the total area while housing and buildings made up 44.
ObergerlafingenObergerlafingen is a municipality in the district of Wasseramt in the canton of Solothurn in Switzerland. Obergerlafingen is first mentioned in 1278 as Oburgeroluingen. Obergerlafingen has an area, , of . Of this area, or 48.0% is used for agricultural purposes, while or 19.7% is forested. Of the rest of the land, or 32.2% is settled (buildings or roads). Of the built up area, industrial buildings made up 3.3% of the total area while housing and buildings made up 21.1% and transportation infrastructure made up 5.
District de WasseramtWasseramt District is one of the ten districts of the canton of Solothurn in Switzerland, situated to the south of the canton. Together with the Bucheggberg District, it forms the Amtei (electoral district) of Wasseramt-Bucheggberg. It has a population of (as of ). Wasseramt District contains the following municipalities: On 1 January 1993 the former municipalities of Heinrichswil and Winistorf merged to form the new municipality of Heinrichswil-Winistorf and Ammannsegg and Lohn merged to form the new municipality of Lohn-Ammannsegg.
KriegstettenKriegstetten is a municipality in the district of Wasseramt in the canton of Solothurn in Switzerland. Kriegstetten is first mentioned in 1256 as Krechsteiten and as Kriechsteiten. Kriegstetten has an area, , of . Of this area, or 43.9% is used for agricultural purposes, while or 8.8% is forested. Of the rest of the land, or 46.5% is settled (buildings or roads). Of the built up area, housing and buildings made up 26.3% and transportation infrastructure made up 14.9%.