Potsdam in Germany. <a href="https://de.wikipedia.org/wiki/Villa_Hasselkampf" class="extiw" title="de:Villa Hasselkampf">Villa Hasselkampf</a> Puschkinallee 1, 1871, is a listed building.
<a href="//commons.wikimedia.org/wiki/User:Clemensfranz" title="User:Clemensfranz">Clemensfranz</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>