Simmering (German pronunciation: [ˈzɪmɐˌʀɪŋ] (listen)) is the 11th district of Vienna, Austria (German: 11. Bezirk, Simmering). It borders the Danube and was established as a district in 1892. Simmering has several churches, some museums, schools, old castles, and four cemeteries, one of them being the Wiener Zentralfriedhof, one of the largest cemeteries of Europe.