🇸🇪 Sweden · Ancient city
Hovgården on Adelsö – Birka Royal Estate
Vendel Period to Middle Ages (c.600–1279 CE) · Scandinavian Viking Age to Medieval
Royal estate on Adelsö opposite Birka, with thing mound (Skansberget), harbour, cemetery and ruins of Magnus Ladulås' brick palace Alsnö Hus (1279).