Poland, officially the Republic of Poland, is a country in Central Europe. It extends from the Baltic Sea in the north to the Sudetes and Carpathian Mountains in the south, bordering seven countries. Poland is the fifth-most populous member state of the European Union, with over 38 million people, and the seventh largest EU country, covering a combined are…Poland, officially the Republic of Poland, is a country in Central Europe. It extends from the Baltic Sea in the north to the Sudetes and Carpathian Mountains in the south, bordering seven countries. Poland is the fifth-most populous member state of the European Union, with over 38 million people, and the seventh largest EU country, covering a combined area of 312,696 km². Its territory is characterized by a varied landscape, diverse ecosystems, and temperate transitional climate. The capital and largest city is Warsaw; other major cities include Kraków, Wrocław, Łódź, Poznań, and Gdańsk.