Poland was first united as a country in the first half of the 10th century and officially adopted Catholicism in 966 AD. The first capital was in the city of Gniezno, but a century later the capital was moved to Krakow, where it remained for half a millennium.
Poland (Polish: Polska), is a large country in Central europe . It has a long Baltic Sea coastline and is bordered by Belarus, the Czech Republic, Germany, Lithuania, Russia (Kaliningrad Oblast), Slovakia, and Ukraine.