🏰 The Templar town with a hidden underground 'twin'
Medieval hilltop settlement in Italy with an extensive subterranean network
📌 Fast Facts
- Location: Marche region, central Italy, near Ancona
- Coordinates: 43.48°N, 13.48°E
- Underground network: Extensive tunnel system beneath historic center
- Architecture: Medieval and Renaissance structures from 13th century onward
Osimo is a medieval hilltop town in the Marche region of central Italy that contains an extensive network ...