This is the gate to the Castel Béranger, designed circa 1890 by the architect <a href="//commons.wikimedia.org/wiki/Hector_Guimard" class="mw-redirect" title="Hector Guimard">Hector Guimard</a>. The building is in Paris, located at 14 Rue La Fontaine.
<a href="//commons.wikimedia.org/wiki/User:Rcamilled" class="mw-redirect" title="User:Rcamilled">Robin Davis</a>
<span class="int-own-work" lang="en">Own work</span>