thumb|250px|Grefsen is a neighborhood in the borough of Nordre Aker in Oslo right|thumbnail|250px|Grefsen Church Grefsen is a neighbourhood in the city of Oslo, Norway.
thumb|250px|Grefsen is a neighborhood in the borough of Nordre Aker in Oslo right|thumbnail|250px|Grefsen Church Grefsen is a neighbourhood in the city of Oslo, Norway.
Grefsen was a part of the municipality of Aker before the Second World War, later incorporated into Oslo. Together with Kjelsås, Grefsen then formed the borough Grefsen-Kjelsås until 1 January 2004, when they became part of the new borough of Nordre Aker.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).