Lejre is a railway town, with a population of 3,097 (1 January 2023), in Lejre Municipality (Danish: Lejre Kommune) on the island of Zealand in east Denmark. It belongs to Region Zealand. The town's Old Norse name was Hleiðr or Hleiðargarðr.
Lejre municipality has an area of 240 km2 and a total population of ca. 26,989 (2014),and the municipal seat is Kirke Hvalsø.
Lejre's role in Danish history can be compared to that of Gamla Uppsala in Sweden. Moreover, it has long been thought to have been the real-world counterpart to Heorot, the hall of King Hrothgar at the centre of the action in the Old English epic poem Beowulf.
Lejre is sometimes assumed to have been the capital of a putative Iron Age kingdom sometimes referred to as the "Lejre Kingdom." According to early legends, it was ruled by kings of the Skjöldung dynasty, predecessors of the kings of medieval Denmark. Legends of the kings of Lejre are known from