# Knin Fortress

- **Country:** Croatia
- **Coordinates:** 44.034037, 16.193494
- **Notes:** The Knin Fortress is one of the largest and oldest European fortresses. The oldest part of the fortress, Kaštel Knin, was built in the second half of the 9th century. Over the centuries, it was conquered, destroyed and rebuilt by Hungarians, Turks, Venetians, French and Austrians. The fortress is located on the southern part of the Spas hill and is located 100 meters above the city of Knin. It is 470 meters long and 110 meters wide at its widest point. The defensive walls that surround it on all sides for a length of almost 2 kilometers are up to 20 meters high in places. It is located at 345 meters above sea level. During the period of the early Croatian state it was an occasional residence of national rulers (Trpimir, Muncimir, Svetoslav, Držislav, Zvonimir and Petar).
- **Year Built:** 9th century
- **Castle Type:** Fortress
- **Location Text:** Knin, Šibenik-Knin County

Knin Fortress, known locally as Kninska tvrđava, stands majestically atop the steep Spas mountain in the town of Knin, Croatia. Located near the source of the Krka River and close to Dinara, the country's tallest peak, this limestone structure serves as a strategic landmark on the historic transport corridor linking Dalmatia with continental Croatia and Bosnia. Rising approximately 100 meters above the town and 345 meters above sea level, it is recognized as the second-largest fortress in Croatia and the most significant defensive stronghold in the Dalmatian Hinterland. The site has been inhabited since the sixth century, with initial fortification efforts likely beginning in the ninth or tenth century.

The fortress reached its historical zenith during the reign of King Demetrius Zvonimir in the late eleventh century, serving as the political center of the Croatian Kingdom. While its earliest origins are ancient, the current architectural form largely reflects expansions and renovations undertaken during the seventeenth and eighteenth centuries under builders like Ignacije Macanović and Orazio Antonio Alberghetti. The complex is divided into northern, middle, and southern sections, connected by gates and drawbridges, and features distinctive Baroque stone entrance gates adorned with the symbol of the Venetian Republic. Its design cleverly accommodates the rugged terrain, utilizing steep natural slopes for environmental security alongside man-made loopholes and gun holes.

Today, Knin Fortress remains slightly renovated and is open to the public, offering visitors a glimpse into centuries of military and political history. Although the original appearance of the earliest structures is not fully known due to a lack of material evidence, archaeological findings confirm its long-standing importance. The massive oak doors reinforced with iron nails at the main entrance stand as a testament to its enduring strength. As a key cultural heritage site in Šibenik-Knin County, the fortress continues to dominate the landscape, preserving the legacy of Croatian rulers and the various powers that controlled this vital region throughout the ages.

![Photo of Knin Fortress](https://upload.wikimedia.org/wikipedia/commons/5/5c/Z-4185_Kulturno_%E2%80%93_povijesna_cjelina_Knina_c.jpg)

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