Terni is a city located in central Italy, within the region of Umbria. It is known for its rich history, dating back to Roman times, and is often referred to as the "City of Love" due to its association with the legend of Saint Valentine, who was born there. The city is also famous for its beautiful waterfalls, particularly the Cascata delle Marmore, which is one of the tallest man-made waterfalls in the world. Terni serves as an important industrial center and is well-connected by rail and road, making it a key hub in the region.