Ostrovica, Zadar County,|
Steep rock with remains of the former fortress
|Built||12th century (?)|
|hewn stone (ashlar)|
|razed to the ground|
Šubić noble family|
(until 1347) ,
king Louis I Angevin
various other proprietors
in shorter periods of time
The Ostrovica Fortress (Croatian pronunciation: [ˈostrovitsa]; Croatian language:Tvrđava Ostrovica ) is a ruined medieval fortification on a solid rock jutting from the top of the hill above the village of Ostrovica in the Zadar County, Croatia. It is located between the two historical and geographical regions, Bukovica and Ravni Kotari. Once an important stronghold, known as the "Key to the City of Zadar" (a key defending point of the city), it was destroyed during the Ottoman–Venetian Wars in the second half of the 17th century, so that there are only few remains of it left today.
The name Ostrovica was first mentioned in the second half of the 12th century (according to Croatian historian Vjekoslav Klaić), when the Byzantine historian John Cinnamus) listed the Croatian places conquered by the army of the Byzantine Emperor Manuel I Comnenus in 1168, quoting, among others, Split, Trogir, Šibenik, Skradin and Ostrovica. For the second time castrum Ostrovica was specified as a place where an army of, then herzog (duke), Andrew II Arpad, future Croato-Hungarian king, camped in 1198 on its way back home from a military campaign in the south.
The fortress, as well as the whole medieval Bribir County, was owned by members of the Šubić noble family, known as nobiles, comites or principes Breberienses (Princes of Breber, "Knezovi Bribirski" in Croatian), until 1347. After the death of Pavao (Paul) II Šubić in 1346, who used to live in Ostrovica, he was succeeded by his underaged son George (Juraj) III Šubić and his son's legal representative (George's uncle and Paul's jounger brother) Grgur (Gregory). It was in the very next year, that the ruling king Louis I Angevin demanded from Šubićs to hand him over the fortress, for he wanted to use it as a strategic point in a war against the Republic of Venice. In exchange for it, the king granted them the Zrin Castle and surrounding estate, a very distant property to the north of the country, actually in lower Slavonia, one of Croatian lands.
Ostrovica had strategic significance since ancient times. It controlled the important ways and routes in directions of north-south (between Siscia and Salona) as well as of west-east (between Zadar and Knin). So it helped king Louis to win the war and to liberate Dalmatia from Venetians, which was ended in 1358 by signing the Peace Treaty of Zadar. After Louis' death, the fortress changed various owners in a relatively short period of time. For instance, between 1388 and 1391 it was property of the mighty Bosnian king Stjepan Tvrtko I Kotromanić. In the 15th century it was possessed by Venetians for some time, who came back to southern Croatia by purchasing Dalmatia in 1409 from king Ladislaus of Naples for the sum of 100.000 ducats. The fall of medieval Bosnian Kingdom into Ottoman hands in 1463 meant a new and constant jeopardy for the fortress. However it remained within territory of the Croato-Hungarian Kingdom until 1523, when it was conquered by the Ottomans, together with surrounding land and villages.
In the next decades Ostrovica was subject to face the instability of the military frontier between the Ottomans and Venetians and was finally razed to the ground in the second half of the 17th century. According to available sources, the fortress still existed in 1671, as Stojan Janković, a famous warriorr against the Turks, was appointed its venetian military commander. After that, on the plateau of Ostrovica's steep rock there were only remains of the ruined fortress left. Today can only some of them be found, like stone water cistern, hewn stone stairway and fragments of gothic glazed ceramics.
- Ostrovica Fortress in the book „Byzanz und Ostmitteleuropa 950-1453" (page 110)
- Ostrovica – one of the fortresses in the Krka River area
- Stojan Janković was appointed Venetian military commander of the Ostrovica Fortress in 1671
- Remains of the fortress cistern
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