Primorsko-notranjska is a statistical region in Slovenia, located in the southwestern part of the country. It is known for its diverse landscapes, which include coastal areas along the Adriatic Sea, as well as mountainous regions in the Notranjska area. The region is characterized by its rich natural resources, including forests, lakes, and rivers. The capital of Primorsko-notranjska is Postojna, famous for the Postojna Cave, one of the largest and most visited caves in Europe. Other notable towns in the region include Piran, known for its historical architecture, and Jesenice, which is situated near the Julian Alps. The region is a popular destination for outdoor activities and cultural tourism.