Denmark Region, which encompasses the Copenhagen metropolitan area with the exception of the subtracted province East Zealand but includes the Baltic Sea island of Bornholm, has a population three times larger than that of North Denmark Region, which covers the more sparsely populated area of northern Jutland. Under the county system certain densely populated municipalities, such as Copenhagen Municipality and Frederiksberg, had been given a status equivalent to that of counties, making them first-level administrative divisions. These "sui generis" municipalities were incorporated into the new regions under the 2007 reforms. The Kingdom of Denmark is a unitary state that comprises, in
Capital Region of Denmark For population growth, see Regions of Denmark. For information about the reform, see Municipalities of Denmark. Municipalities of the regions can be accessed from the Municipalities of Denmark template at the bottom of the page. The Capital Region of Denmark is one of five regions in Denmark and consists of the municipalities of Copenhagen and Frederiksberg, the former counties of Copenhagen and Frederiksborg, and the regional municipality of Bornholm. In Danish the name is Region Hovedstaden. Denmark's largest lake (Danish "sø"), Arresø, lies 43 kilometers (28 miles) northwest of Copenhagen. There are several other lakes, the deepest in Denmark being