Poland is a country in central Europe that borders Germany to the south and Czech Republic to the west. Poland has a population of around 38 million people and its capital and largest city is Warsaw. Some key facts about Poland are that its president is Lech Kaczyński, its longest river is the Vistula, and its deepest lake is Lake Hańcza, which is located in Masuria. Poland also has a long and interesting history and was previously occupied by Russia, Austria and Prussia before becoming independent again in 1989.