Zihlschlacht-Sitterdorf is a municipality in Weinfelden District in the canton of Thurgau in Switzerland. Zihlschlacht-Sitterdorf has an area, as of 2009, of 12.2 km2. Of this area, 8.98 km2 or 73.6% is used for agricultural purposes, while 1.94 km2 or 15.9% is forested. Of the rest of the land, 1.12 km2 or 9.2% is settled, 0.14 km2 or 1.1% is either rivers or lakes and 0.01 km2 or 0.1% is unproductive land.Wikipedia