siege, major, medieval
Siege of Nicaea
Siege of Nicaea was a siege conducted in 1328 at İznik, in what is now Turkey; it lasted about 3 years. It was part of the Byzantine–Ottoman wars, which ran from 1265 to 1479. The recorded result: Ottoman victory. Recorded strength: Unknown against Unknown.
See it on the globe Read the article
Where it sits in the Byzantine–Ottoman wars
Record
| Date | 1328 (year precision) to 1331 | |
|---|---|---|
| Place | İznik, Turkey 40.429N, 29.719E | |
| Kind | Siege, medieval | |
| Strength | Unknown | Unknown |
| Casualties and losses | Unknown | Unknown |
| Commanders |
| |
The ground today


The recorded site stands at about 97 m; within 10.0 km the ground runs from 82 to 715 m, 633 m of relief, steep country and today it is 37% tree cover, 30% water, 14% cropland.
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
- Siege of Nicaea 1097, same recorded site
- Siege of Nicée 1077, same recorded site
- Siege of Nicaea 1113, same recorded site
- Siege of Nicaea AD 727, same recorded site
- Battle of Nicaea AD 193, 0.1 km W
Contested ground: this site was fought over 6 times between AD 193 and 1328.
In the same war
- Before: Siege of Mudanya 1321
- After: Battle of Pelekanon 1329
- All 18 engagements of Byzantine–Ottoman wars
Elsewhere in 1328
- Battle of Cassel France
- Capture of Mantua Italy
- Siege of Grosseto Italy
Siege of Nicaea is one of 566 engagements of the 14th century in the atlas and one of 622 in present-day Turkey.
Sources
Identity, coordinates, dates and the war from Wikidata Q2422839, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Siege of Nicaea (1328–1331), revision 1370743988, 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.