From the Old Norse Heiðmǫrk. That's from heiðnir the name of an old Germanic tribe (related to heið meaning moorland) and mǫrk meaning "woodland, borderland, or march/mark."Hedmark was a fylke (county) in Norway.On 1 January 2020, Hedmark merged with Oppland to form Innlandet fylke.
indicate the level to which a name has been verified.