Atlas of Battles

siege, major, early modern

Siege of Fort Zeelandia

Siege of Fort Zeelandia was a siege conducted on 30 March 1661 at Fort Zeelandia, in what is now Taiwan; it lasted 10 months. It was part of Sino-Dutch conflicts. The recorded result: Ming loyalists victory.

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Siege of Fort Zeelandia
Olfert Dapper, Public domain, via Wikimedia Commons.
Fought30 March 1661lasted 10 months
WhereFort Zeelandia, Taiwan23.002N, 120.161E
OutcomeMing loyalists victory
BelligerentsMing loyalistsagainstDutch East India Company
Part ofSino-Dutch conflicts

Where it sits in Sino-Dutch conflicts

Battle of Penghu (1624), 1624Battle of Liaoluo Bay, 1633Siege of Fort Zeelandia, 166116241661Siege of Fort Zeelandia, 1661
3 placed engagements of Sino-Dutch conflicts in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date30 March 1661
to 1 February 1662
PlaceFort Zeelandia, Taiwan
23.002N, 120.161E
KindSiege, early modern
Strength25,000, of whom 6,000 advanced on the fort; 400 junks905 soldiers (Zeelandia); 140 soldiers (Provintia); 3 ships (Zeelandia); 12 ships (relief) with 700 sailors
Casualties and losses12,500 deserted or dead, mostly from disease, including more than 2,200 killed by natives1,600 killed or died of disease; Zeelandia: 1 warship sunk; Relief: 1 warship sunk, 2 ships abandoned, 3 ships captured
Commanders
  • Koxinga
  • Frederick Coyett
Siege of Fort ZeelandiaSiege of Fort ZeelandiaBattle of PenghuBattle of O͘-gû-lânBattle of PenghuBattle of O͘-gû-lânKaohsiungTaichungMagongHualienTaitungDouliou100 km23.002N, 120.161E
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

The ground today

Relief of the ground around the site of Siege of Fort Zeelandia
Relief within about 10.0 km of the site, contours every 5 m. Copernicus DEM GLO-30, ESA.
Satellite view of the site of Siege of Fort Zeelandia today
The same ground from Sentinel-2 on 2024-04-04. Contains modified Copernicus Sentinel data 2024.

The recorded site stands at about 12 m; within 10.0 km the ground runs from -6 to 27 m, 33 m of relief, flat country and today it is 48% water, 31% built-up, 9% tree cover.

water: 48%built-up: 31%tree cover: 9%grassland: 7%bare ground: 2%cropland: 2%water 48%built-up 31%tree cover 9%grassland 7%bare ground 2%
west to east, 10.0 km-1 to 16 mnorth to south, 10.0 km-1 to 12 m
Elevation from the Copernicus DEM GLO-30 (ESA, Airbus); land cover from ESA WorldCover 2021 (CC BY 4.0), within about 5 km of the recorded site. Computed, not recorded.

Nearest engagements

In the same war

Elsewhere in 1661

Siege of Fort Zeelandia is one of 1,470 engagements of the 17th century in the atlas and one of 42 in present-day Taiwan.

Sources

Identity, coordinates, dates and the war from Wikidata Q697621, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Siege of Fort Zeelandia, revision 1379982063, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.