Grini prison camp was a Nazi concentration camp in Bærum, Norway, which operated between 1941 and May 1945. Ila Detention and Security Prison is now located here.
Wikipedia https://en.wikipedia.org/wiki/Grini_detention_camp
Official Website https://mia.no/grinimuseet
Address 31 Jøssingveien, Ila 1359, Norway
Coordinates 59°57'19.888" N 10°35'5.001" E