Ostprignitz-Ruppin III/Havelland III is an electoral constituency (German: Wahlkreis) represented in the Landtag of Brandenburg. It elects one member via first-past-the-post voting. Under the constituency numbering system, it is designated as constituency 4. It is located in the Ostprignitz-Ruppin district
Geography.
The constituency includes the towns of Rathenow and Premnitz, as well as the community of Milower Land and Wusterhausen/Dosse, and the administrative divisions of Neustadt (Dosse) and Rhinow.
There were 44,940 eligible voters in 2024.