LODZ is a city in central Poland located on the banks of the Vistula River. It is the third-largest city in the country and is known for its 19th-century architecture. KRAKOW is one of the oldest cities in Poland and is the former capital of the country. It is a major cultural center and is home to many historical sites, including the Wawel Castle. OPOLE is a city in southwestern Poland located on the Oder River. It is the capital of the Opole Voivodeship and is known for its Gothic architecture and annual music festival.