Östhammar
Östhammar is a locality and the seat of Östhammar Municipality, Uppsala County, Sweden, with 4,534 inhabitants in 2010. Today Östhammar Municipality is a part of Uppsala County, but the area has historically been a part of Stockholm County.
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In this article
Key facts
Key facts
• Official Name — Östhammar • Subdivision Type — Country • Subdivision Name — Sweden • Subdivision Type3 — Municipality • Subdivision Name3 — Östhammar Municipality • Subdivision Type2 — County • Subdivision Name2 — Uppsala County • Subdivision Type1 — Province • Subdivision Name1 — Uppland • Area Total Km2 — 3.76 • Population As Of — 31 December 2020 • Population Total — 4,976 • Population Density Km2 — auto • Timezone — CET • Utc Offset — +1 • Timezone Dst — CEST • Utc Offset Dst — +2
History
History
Östhammar's city status was granted by king Albert in 1368. During this period a castle called Östhammarshus was built, but already in 1434 the castle was burnt down by its Danish vogt, who fled to Denmark over the sea when faced with the Engelbrekt rebellion. By the late 15th century the post-glacial rebound had made it hard to reach Östhammar by boat and its city status was transferred to Öregrund. Östhammar regained its city status in 1538, and moved closer to the sea. In 1651 Östhammar got a town hall, and in 1795 Östhammar was heavily damaged by fire. Between the early 17th century and the middle of the 19th century the fishing of herring played a very important role in Östhammar's economy.
Sister cities
Sister cities
• Valka, Latvia
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Licensing
Text attribution
Part of the biographical narrative on this page reuses licensed material. Its origin, revision and licence are recorded here.
The biographical narrative on this page is based on the Wikipedia article Östhammar, revision 1328826762 (EN edition), by its contributors. VALÉORINE has edited that text and built its own documentary record around it. The reused material is available under CC BY-SA 4.0, and this page's reuse of it is offered under the same licence. Everything else on this page — the chronology, the holdings, the evidence, the plates and the connections — is VALÉORINE's own record. Sources and licences.
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 26 September 2026.
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