Area: 120,733 sq mi (312,696 sq km). Population: ~ 38,300,000. Largest cities: Warsaw, Kraków, Łódź, Wrocław, Poznań, Gdańsk, Szczecin, Bydgoszcz, Lublin, Białystok, Katowice. Official language: Polish. Currency: Polish Złoty. Written and fact-checked by Ontheworldmap.com team.