What is "pfaueninsel"

Pfaueninsel (" Peacock Island") is an island in the River Havel situated in Berlin- Wannsee, in southwestern Berlin, near the border with Potsdam and Brandenburg. The island is part of the Palaces and Parks of Potsdam and Berlin UNESCO World Heritage Site and a popular destination for day-trippers. Pfaueninsel is also a nature reserve in accordance with the EU Habitats Directive and a Special Protection Area for wild birds.