Kingdom of Poland Królestwo Polskie (pl) Regnum Poloniae (la) 1385–1569 Royal Banner Royal Coat of arms Motto Nic o nas bez nas "Nothing about us without us" Anthem Gaude Mater Polonia[1] "Rejoice, oh Mother Poland" Location of Poland The Kingdom of Poland between 1386 & 1434. Capital Kraków Languages Polish, Latin Religion Roman Catholic Government Hereditary Monarchy Monarch • 1385–1389 Jadwiga (first) • 1548–1569 Sigismund II (last) Legislature Sejmik • Privy Council Senate Historical era Middle Ages • Union of Krewo 14 August 1385 • Statute adopted 3 May 1505 • Union with Lithuania 1 July 1569 Currency Ducats, Rhenish guilders Polish złoty (from 1496) Red złoty (from 1526) Preceded by Succeeded by Kingdom of Poland (1025–1385) Polish–Lithuanian Commonwealth Today part of Belarus Moldova Poland Romania Transnistria Ukraine