From the Wikipedia page [1]
Havelland (IPA-de|ˈhaːfəlˌlant) is a district or county in Brandenburg, Germany. It is bounded by (from the north and clockwise) the districts of Ostprignitz-Ruppin and Oberhavel, the city-state of Berlin, the district of Potsdam-Mittelmark, the city of Brandenburg and the state of Saxony-Anhalt (districts of Jerichower Land and Stendal).