Transylvanian fortresses are historic structures located in the region of Transylvania, Romania. Built primarily during the Middle Ages, these fortifications were designed to protect local communities from invasions and raids. Many of them feature thick stone walls, towers, and intricate architectural details, reflecting the influence of various cultures, including Saxon and Hungarian. Some of the most notable fortresses include Râșnov Fortress, Bran Castle, and Făgăraș Fortress. These sites not only served military purposes but also played a role in the cultural and economic development of the region. Today, they attract tourists interested in history and architecture.