Ni, one of the oldest cities in Europe, is located in southern Serbia. Rich in history and culture, it’s famously known as the birthplace of Constantine the Great. The city is home to significant historical sites, including the Ni Fortress, the Skull Tower, and the Mediana archaeological site. Ni also played a crucial role during the Ottoman period, remnants of which can be seen throughout the city. Today, it’s a vibrant city with a lively cafe culture, bustling markets, and numerous festivals, offering a unique blend of history and modern Serbian life.