Ringerike is a municipality in Buskerud county, Norway. It is part of the traditional region of Ringerike. The administrative centre of the municipality is the town of Hønefoss.
The municipality of Ringerike was created on 1 January 1964 after the merger of the town of Hønefoss and the rural municipalities of Hole, Norderhov, Tyristrand, and Ådal. However, the area of Hole was removed from the municipality of Ringerike on 1 January 1977 to become a separate municipality once again. The historic area of Ringerike included not just the modern municipality of Ringerike but also Hole and Krødsherad, Modum, and Sigdal.
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