Rosenau (Königsberg)

Rosenau was first a suburb of and then a quarter of Königsberg, Germany, located south of the city center.

The Sportplatz am Friedländer Tor was a stadium located to Rosenau's northwest.

Rosenau developed into a working class suburb after Königsberg was connected to the railroad.

In 1895, the Königsberg building councillor Mühlbach led the construction of the Schlacht- und Viehhof, a modern slaughterhouse.

Hugo Stinnes founded the Odinwerk, one of the largest factories and foundries of eastern Germany.