Kraków, also spelled as Cracow or Krakow, is the second-largest and one of the oldest cities in Poland. Situated on the Vistula River in Lesser …Kraków, also spelled as Cracow or Krakow, is the second-largest and one of the oldest cities in Poland. Situated on the Vistula River in Lesser Poland Voivodeship, the city has a population of 804,237, with approximately 8 million additional people living within a 100 km radius. Kraków was the official capital of Poland until 1596, and has traditionally been one of the leading centres of Polish academic, cultural, and artistic life. Cited as one of Europe's most beautiful cities, its Old Town was declared a UNESCO World Heritage Site in 1978, one of the world's first sites granted the status.