Poland is a European nation.
Gdańsk . The city also hosts St. Dominic 's Fair , which dates back to 1260 , and is regarded as one of the biggest trade and cultural events in Europe . Poland ( Polska [ ˈpɔlska ] ) , officially the Republic of Poland ( [ Rzeczpospolita Polska , links = no ] , ) , is a parliamentary republic in Central Europe . Other cities include Kraków , Wrocław , Poznań , Gdańsk and Szczecin . Poland is the eighth largest and one of the most dynamic economies in the European Union , simultaneously achieving a `` very high '' ranking on the Human Development Index .