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Holtriem is a Samtgemeinde ("collective municipality") in the district of Wittmund, in Lower Saxony, Germany. It is situated near the North Sea coast, approx. 20 km west of Wittmund, and 13 km north of Aurich. Its seat is in the village Westerholt.

The Samtgemeinde Holtriem consists of the following municipalities:

  1. Blomberg
  2. Eversmeer
  3. Nenndorf
  4. Neuschoo
  5. Ochtersum
  6. Schweindorf
  7. Utarp
  8. Westerholt

53°36′N 7°27′E / 53.600°N 7.450°E / 53.600; 7.450