Poland is a country located in Central Europe with a population of 38 million people. Its capital and largest city is Warsaw. Some key facts are that the official language is Polish, the currency is the zloty, and it joined the European Union in 2004. The document also provides details about famous Polish people like Chopin and Marie Curie, as well as popular Polish cuisine including pierogi, kielbasa sausage, and pastries. Nature highlights of Poland include the Tatra Mountains and the Vistula River.