Nestled in the foothills of the Kamnik-Savinja Alps, Celje is a hidden gem in Slovenia. The city boasts a well-preserved medieval center, with a castle, a cathedral, and a host of other historic buildings. There are also plenty of green spaces, including a lovely river promenade, and a lively pedestrian zone with a good range of shops and restaurants. Celje is a convenient base for exploring the surrounding countryside, with plenty of outdoor activities on offer, from hiking and cycling to skiing and rafting. And if you need a break from the fresh air, the city's many bars and pubs are always happy to oblige.