Kraków is the second largest and oldest city in Poland, located on the Vistula River. It has historically been a center of Polish academic, cultural, and artistic life as well as an economic hub. Kraków has grown from a Stone Age settlement to Poland's second most important city, with a population of around 760,000 people and 8 million within 100 km. It has been the capital of Poland multiple times throughout history and contains many beautiful historic buildings and places, including the Old Town, St. Mary's Church, Cloth Hall, and Wawel Castle.