thumb|The Hårsfjärden, looking north from Märsgarn island in September 2010
thumb|The Hårsfjärden, looking north from Märsgarn island in September 2010
The Hårsfjärden, or Horsfjärden (), is a fjard off the Baltic Sea near Stockholm, Sweden. About long, it has surface area of . It is the location of three Swedish naval bases: Märsgarn, Muskö, and Berga.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).