Karlovac is a spectacular city in central Croatia, renowned for its unique, star-shaped fortifications that date back to the 16th century. Strategically located at the confluence of four rivers - Kupa, Korana, Mreznica, and Dobra, it offers an incredibly rich natural setting, making it a paradise for nature lovers. The city is known for its distinctive 18th-century Baroque architecture, especially seen in the Church of the Holy Trinity and its museum. A city of beer, Karlovac boasts a two-century-old brewing tradition that culminates in the annual Karlovac Beer Festival, attracting visitors from all around the world. Cyclist and hiking enthusiasts will find Karlovac to be an ideal base with a network of river valley trails, while the close proximity to the Plitvice Lakes and Risnjak National Parks add to its allure for outdoor adventurers.