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- Marienfliess Abbey (Kloster Marienfliess), Stepenitz in Marienfliess, in the Prignitz: Cistercian nuns (1231-1544); Protestant women's collegiate foundation, or Damenstift, later deaconesses (extant from 1544)
- Marienpforte Priory or Abbey (Kloster Marienpforte), near Flieth and Stegelitz: Benedictine nuns (1269; by 1281 had been merged into the new Cistercian foundation at Boitzenburg)
- Marienstern Abbey (Kloster Marienstern, formerly also Kloster Güldenstern), Mühlberg: Cistercian nuns (1228-1539); Claretians (extant from 2000)
- Marienwerder, see Seehausen
Read more about this topic: List Of Christian Religious Houses In Brandenburg, Brandenburg