🇸🇪 Sweden · Ancient city
Birka
Viking Age Scandinavian 750–975 (8th–10th c) · Scandinavian Viking Age (Svear) — Svear–Gotlandic emporium
Birka (Björkö) — Scandinavian Viking Age emporium (c.750–975 CE) on Björkö island in Lake Mälaren, 30 km west Stockholm, Sweden's oldest town and UNESCO 555 (with Hovgården Adelsö estate).
🇸🇪 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).
🇸🇪 Sweden · Ancient city
Birka Viking Town on Björkö
Viking Age (750–975 CE) · Scandinavian Viking Age
Viking Age emporium on Björkö island in Lake Mälaren, founded c.750 CE and abandoned c.975, with fortified town area (Borg), harbour, cemeteries of over 3,000 graves and famous chamber grave Bj 581.
🇸🇪 Sweden · Earthwork
Eketorp Ringfort — Öland
Iron Age to Medieval (c.400–1300 CE) · Scandinavian Migration/Vendel and Medieval Gotlandic–Swedish
Eketorp, on southeastern Öland's Stora Alvaret limestone plain, is the only fully excavated of Öland's 19 Iron Age ringforts, a concentric limestone-walled fortress 70 m diameter with 53…
🇸🇪 Sweden · Megalith
Gettlinge Grave Field — Öland
Bronze Age to Viking Age (c.1000 BCE–1050 CE) · Baltic–Scandinavian (Gotland–Öland continuum)
Gettlinge, on the limestone alvar plain of southwest Öland, is a 2-km long grave field with 250+ monuments spanning late Bronze Age (c.1000 BCE) to Late Viking Age (c.1050 CE): a 30-m limestone ship…
🇸🇪 Sweden · Megalith
Tanum Rock Carvings (Hällristningar Tanum)
Bronze Age · Nordic Bronze Age (Bohuslän rock art tradition)
UNESCO Bohuslän rock art — 600 panels / 2500 pecked figures (ships, sun, ploughs) on granite, 1700–500 BCE.
🇸🇪 Sweden · Ancient city
Visby City Walls and Medieval Defences
High Middle Ages (c.1150–1400 CE) · Gotlandic Hanseatic / Medieval Scandinavian
3.4 km medieval ring wall encircling Hanseatic Visby, best preserved in Scandinavia, built 13th–14th c. limestone with 27 towers, gate towers and caponier.
🇸🇪 Sweden · Fortress
Visby Walls
High–Late Medieval Hanseatic 1160–1400 (Visby Hanseatic florescence 12th–14th c) · Gotlandic Hanseatic (Gutar–German Hansa Visby, Valdemar IV)
Visby City Walls (Ringmuren) — Hanseatic medieval town wall (late 13th–14th c, with 12th c earth predecessor) encircling Visby Old Town 3.4 km circumference, 11 m high, 27 towers, 3 gates…