Tsarevets is a historic hill located in Veliko Tarnovo, Bulgaria. It served as the primary fortress of the Second Bulgarian Empire from the 12th to the 14th centuries. The site features well-preserved ruins, including the Tsarevets Fortress, which was the royal palace and the seat of the Bulgarian kings. The fortress is known for its impressive defensive walls and the Church of St. Peter and Paul, which houses beautiful frescoes. Today, Tsarevets is a popular tourist destination, offering visitors a glimpse into Bulgaria's medieval history and stunning views of the surrounding landscape.