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Wiki information Hartvik:
Hartvik was a prelate in the Kingdom of Hungary under King Coloman the Book-lover. He wrote a new Life of St Stephen I of Hungary based on the holy king's two earlier hagiographies.
Hartvikvatnet is a lake in the municipality of Narvik in Nordland county, Norway. The 2.3-square-kilometre lake is located about 4 kilometres east of the village of Bjerkvik. The Elvegårdsmoen military camp lies just west of the lake.