🇸🇪 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).