Poland, officially the Republic of Poland, is a parliamentary republic in Central Europe. Poland is a unitary state divided into 16 administrative subdivisions, covering an area of 312,679 square kilometres (120,726 sq mi) with a mostly temperate climate. With a population of over 38.5 million people, Poland is the sixth most populous member state of the European Union. Poland's capital and largest city is Warsaw. Other cities include Kraków, Wrocław, Poznań, Gdańsk and Szczecin.