From the Wikipedia page [1]

Gifhorn (German pronunciation: [ˈɡɪfhɔʁn]) is a district in Lower Saxony, Germany.

The district is located at the border of Saxony-Anhalt and extends from the southern edge of the Lüneburg Heath (Lüneburger Heide) in the north to the suburbs of Braunschweig and Wolfsburg in the south.

It is bounded by (from the south and clockwise) the district of Helmstedt, the cities of Wolfsburg and Braunschweig, the districts of Peine, Hanover, Celle and Uelzen, and by the state of Saxony-Anhalt (districts of Altmarkkreis Salzwedel and Börde).

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