Poland is a large country in central Europe that has been a member of the European Union since 2004. Its capital and largest city is Warsaw, which contains many historic sights. Poland has a rich history and managed to preserve much of its cultural heritage despite extensive damage during World War II. Other popular cities include Kraków, Wrocław, Poznań, Gdańsk, and Łódź. Łódź is Poland's third largest city located in the center of the country. It has an industrial history reflected in many of its architectural sights like the White Factory. During World War II, Łódź was under Nazi occupation and contained a large ghetto and labor