What is "rimul"

Rimul (or Romol) is a farm in the municipality of Melhus in Sør-Trøndelag county, Norway. It is the scene of the murder of Håkon Sigurdsson (also known as Hákon Sigurðsson or Hákon Earl) by his slave Tormod Kark (Þormóðr Karkr), as described in the Saga of king Olav Tryggvason in Snorri Sturluson's Heimskringla.