Dresden architecture and numerous world-renowned museums and art collections, Dresden has been called "Elbflorenz" (Florence of the Elbe). The incorporation of neighbouring rural communities over the past 60 years has made Dresden the twelfth largest urban district by area in Germany after Berlin, Hamburg and Cologne. The nearest German cities are Chemnitz to the southwest, Leipzig to the northwest and Berlin to the north. Prague, Czech Republic is about to the south and to the east is the Polish city of Wrocław. Dresden is one of the greenest cities in all of Europe, with 63% of the city being green areas
Zoological Garden of Hamburg society for the purposes of creating a zoo. On July 10, 1860, at the charter meeting of the Zoological Society of Hamburg (German: "Zoologische Gesellschaft in Hamburg"), Merck was selected as president. It was the fifth zoo in Germany, following the Berlin Zoological Garden in 1844, the Frankfurt Zoological Garden in 1858, the Cologne Zoological Garden in 1860 and the Dresden Zoo in 1861. The Society was a shareholding company. In 1861 it purchased a 13-hectare (32 acre) plot of land outside the Hamburg city walls, next to a municipal cemetery. In November 1862 the zoo issued additional shares to