Inner Carniola is a historical region located in southwestern Slovenia. It is characterized by its unique karst landscape, featuring limestone formations, caves, and underground rivers. The area is known for its rich biodiversity and is home to several protected natural parks. The region has a diverse cultural heritage, influenced by its history and geography. Towns like Postojna and Pivka showcase traditional architecture and local customs. Inner Carniola is also famous for the Postojna Cave, one of the largest and most visited caves in Europe, attracting tourists with its stunning stalactite formations and underground railways.