Karlovac County

Region · 🇭🇷 Croatia

Population 128,899

Area 3,616 km²

Time zone Europe/Zagreb

Official website www.kazup.hr

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Featured Lists

Karlovac: The Essential Four Rivers City

Karlovac County is defined by the confluence of the Korana, Kupa, Mrežnica, and Dobra rivers, creating a landscape of strategic fortifications and natural wonders. This collection highlights medieval strongholds like Dubovac and Ozalj, the karst formations of the Barać Caves, and the historic watermills of Rastoke. It also features significant regional heritage, including the 1908 neo-Renaissance Ozalj I hydroelectric plant and the 16th-century Frankopan castle in Ogulin.

10 places

Castles and Ruins

Karlovac County features a dense network of medieval fortifications and Renaissance castles primarily built by the noble Frankopan and Zrinski families. These sites, ranging from the well-preserved Dubovac Castle to the evocative ruins of Cetin and Modruš, served as critical defensive positions along the historical border with the Ottoman Empire. Visitors can explore various architectural styles, including the rare water-fortress at Ribnik and the high-cliffed stronghold of Ozalj overlooking the Kupa River.

13 places

Sacred Sites of Interest

This collection highlights the diverse religious heritage of Karlovac County and its border regions. It features significant landmarks such as the Baroque Church of the Holy Cross in Ogulin and the Orthodox Church of Saint Nicholas in Plaški, once a cathedral seat. The list spans various architectural periods, from the 16th-century Chapel of St. Jacob to the pilgrimage shrine at Trošmarija, offering insight into the Roman Catholic and Orthodox traditions that have shaped the local landscape.

19 places

Nature and Scenic Views

Explore the diverse karst landscapes of Karlovac County, where the convergence of the Kupa, Korana, Mrežnica, and Dobra rivers creates dramatic canyons and travertine waterfalls. This selection features the subterranean chambers of the Barać Caves, the 40-meter deep Đulin ponor abyss in Ogulin, and the historic watermill village of Rastoke. High-altitude viewpoints on Mount Klek and the Žumberak range offer panoramic vistas across the central Croatian highlands and the Slovenian border.

20 places

Regional Heritage Landmarks

Karlovac County’s historical landscape is defined by its strategic river network and military frontier past. This collection features architectural landmarks ranging from the unique double-decker Tounj Bridge and Napoleonic-era Marmont Bridge to traditional watermills along the Korana and Dobra rivers. The list includes significant archaeological sites like Roman quarries and ancient burial mounds, alongside the modernist Monument to the Uprising on Petrova Gora, documenting the region's evolution from antiquity through the Austro-Hungarian era.

20 places