Atlas of Battles

siege, major, early modern

Siege of Belgrade

Siege of Belgrade was a siege conducted on 25 June 1521 at Belgrade, in what is now Serbia; it lasted 2 months. It was part of the Hungarian–Ottoman War, which ran from 1521 to 1526. The recorded result: Ottoman victory. Recorded strength: 100,000, of which 30,000 soldiers against 700 soldiers.

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Siege of Belgrade
Wikimedia Commons, Public domain, via Wikimedia Commons.
Fought25 June 1521lasted 2 months
WhereBelgrade, Serbia44.817N, 20.467E
OutcomeOttoman victory
BelligerentsOttoman EmpireagainstKingdom of Hungary
Part ofHungarian–Ottoman War1521 to 1526

Record

Date25 June 1521
to 29 August 1521
PlaceBelgrade, Serbia
44.817N, 20.467E
KindSiege, early modern
Territorial changeOttoman conquest of Belgrade
Strength100,000, of which 30,000 soldiers700 soldiers
Commanders
  • Mihály Móré
  • Balázs Oláh
  • Petar Ovčarević
Siege of BelgradeSiege of BelgradeSiege of BelgradeSiege of BelgradeSiege of BelgradeSiege of BelgradeSiege of BelgradeSiege of BelgradeSarajevoTimișoaraNovi SadČačakTuzlaOsijekReșițaKragujevac100 km44.817N, 20.467E
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 Belgrade
Relief within about 10.0 km of the site, contours every 25 m. Copernicus DEM GLO-30, ESA.
Satellite view of the site of Siege of Belgrade today
The same ground from Sentinel-2 on 2025-09-22. Contains modified Copernicus Sentinel data 2025.

The recorded site stands at about 100 m; within 10.0 km the ground runs from 59 to 260 m, 201 m of relief, hilly country and today it is 52% built-up, 25% tree cover, 16% water.

built-up: 52%tree cover: 25%water: 16%grassland: 6%built-up 52%tree cover 25%water 16%grassland 6%
west to east, 10.0 km68 to 131 mnorth to south, 10.0 km68 to 173 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

Contested ground: this site was fought over 15 times between AD 592 and 1944.

In the same war

Elsewhere in 1521

Siege of Belgrade is one of 1,470 engagements of the 16th century in the atlas and one of 115 in present-day Serbia.

Sources

Identity, coordinates, dates and the war from Wikidata Q535542, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Siege of Belgrade (1521), revision 1370739419, 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.