San Marino is a tiny, independent nation completely surrounded by Italy. It has a spectacular location, nestled in the mountains near the Adriatic Sea. The capital city, also called San Marino, is a maze of hilly, medieval streets, dotted with cafes and small shops. From the guard towers and the piazzas, the views over the surrounding countryside are gorgeous. In this guide, we cover the best things to do in San Marino and how to plan your time here.