Borgring (older spelling Borrering) also known as Vallø Borgring, is a Danish Viking ring fortress located near Køge on the island of Zealand. Likely built around 970 or 980, the fortress may have been built to defend trade routes or as a military barracks. In 2023, along with four other Viking ring fortresses, Borgring was isncribed on the UNESCO World Heritage List for its unique architecture and testimony to the strategic and military power of the House of Knýtlinga (Jelling dynasty).
Borgring (older spelling Borrering) also known as Vallø Borgring, is a Danish Viking ring fortress located near Køge on the island of Zealand. Likely built around 970 or 980, the fortress may have been built to defend trade routes or as a military barracks. In 2023, along with four other Viking ring fortresses, Borgring was isncribed on the UNESCO World Heritage List for its unique architecture and testimony to the strategic and military power of the House of Knýtlinga (Jelling dynasty).
== Description == thumb|Post-edited satellite photo of Borgring before it was partially re-established
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