Zrin Fortress, also known as Zrin Castle or Zrinski Castle. It holds great significance in Croatian history and is associated with the noble Zrinski family.

The fortress was originally built in the 13th century and underwent several renovations and expansions over the centuries. It served as the stronghold and residence of the Zrinski family, who played a prominent role in Croatian and Hungarian history.

Zrin Fortress is situated on a hill overlooking the village of Zrin and the surrounding landscape. Its strategic location provided a vantage point for defense and control of the area.

The fortress consists of defensive walls, towers, and a central courtyard. It was constructed using stone, and its architectural style reflects various influences from different time periods.

Despite its ruined state, Zrin Fortress remains an important cultural and historical site. It attracts visitors who are interested in Croatia's medieval history, the Zrinski family, and the turbulent events that took place in the region.