The story
Birkerød Municipality was a municipality in Frederiksborg County, and Søllerød Municipality was a municipality in Copenhagen County, both on the island of Zealand (Sjælland) in eastern Denmark. As of 2007 the two municipalities ceased to exist as they were merged to form Rudersdal Municipality. The municipality of Birkerød covered an area of 34 square kilometres (13 square miles), and had a total population of 21,930 (2005). It merged with Søllerød Municipality to form the new Rudersdal municipality. This created a municipality with an area of 73 square kilometres (28 square miles) and a total population of 53,621 (2005). The new municipality belongs to the new Region Hovedstaden ("Capital Region").
From Wikipedia’s article on Rudersdal Municipality, shared under CC BY-SA 4.0.4
