Wernau (Swabian: Wärnao) is a town in the district of Esslingen in Baden-Württemberg southwestern Germany.

Wernau is located on the southeast bank of the Neckar river, south of Plochingen and about 25 km east of Stuttgart.

Another 5.5 hectares of wildlife preserve are located in an area of the city called the Wernau Lehmgrube (clay pits).

Neighboring Wernau are the communities of Deizisau to the Northwest, Plochingen to the North, Hochdorf to the East and Notzingen to the Southeast; the cities of Kirchheim unter Teck to the South and Wendlingen to the Southwest and the community of Köngen to the West.

Dark green: Forest 22.5%, Yellow: Agriculture 40.9%, Blue: Water surface 3.0%, Lighter green: Recreational areas 3.3%, Red: Buildings and open areas 16.0%, Beige: Transportation surfaces 10.2%, Purple: Other According to data from the Statistischen Landesamtes, as of 2014.

Steinbach also remained catholic through the Protestant Reformation under the sovereignty of the Speth von Sulzburg.

During NAZI-Germany both communities were fused together to form Wernau in 1938 and were assigned, as part of the NAZI District Reformation, to Esslingen.

[12] The Town Council consist of elected officials (unpaid posts) and the Mayor as head of the government.

The three balls symbolize the legend of Nicolaus, according to which, the Bishop of Nikolaus from Myra threw three bags of gold through the window of a house where three poor girls lived, so that they could pay for their weddings.