# Zemun Fortress

- **Country:** Serbia
- **Coordinates:** 44.848300, 20.409700
- **Condition:** Preserved ruins
- **Year Built:** 9th century
- **Castle Type:** Fortress
- **Location Text:** Zemun

The Zemun Fortress is a historic medieval fortification situated on a hill in the Zemun municipality of Belgrade, Serbia. Originally constructed using stone during the 9th century, the structure was built atop the ancient Celtic and Roman settlement of Taurunum. Its architectural origins are closely linked to the height of the Byzantine Empire, spanning the reigns from Constantine I to Justinian I. The fortress features a square citadel with walls approximately 45 meters in length, fortified by four large circular towers at each corner. Although specific stylistic labels are not explicitly detailed, its construction reflects typical Byzantine military engineering adapted for strategic riverbank defense.

Historically, the site witnessed significant turbulence and strategic importance throughout the Middle Ages. It suffered damage during the First Crusade and became a focal point of conflict between the Byzantine and Hungarian empires in the 12th century. Notably, materials were repeatedly stripped from Zemun to repair Belgrade and vice versa depending on which power held dominance. The fortress is also the solemn location where the famous Hungarian regent John Hunyadi died in 1456 from wounds sustained during the Siege of Belgrade, exacerbated by a plague outbreak among his troops. Following fierce battles, the Ottoman Empire captured the site in 1521, leading to its eventual decline into ruins by the 18th century.

Today, the Zemun Fortress exists as a protected cultural monument and archaeological site open to the public. While much of the original structure has been lost to time and conflict, visitors can still observe the remaining sections of the square citadel and the distinctive corner towers. These ruins serve as a tangible link to the region's complex past, illustrating the shifting borders between major European empires. As part of Serbia's protected heritage, the site offers historical insight into medieval warfare and urban development along the Danube, preserving the memory of key figures like Hunyadi and the ancient town of Taurunum.

![Photo of Zemun Fortress](https://upload.wikimedia.org/wikipedia/commons/a/a6/Zemunska_tvrdjava_kula3.jpg)

**Source:** https://en.wikipedia.org/wiki/Zemun_Fortress (Wikipedia, CC BY-SA)