Poland is a large country located in central Europe between the Baltic Sea and the Tatra Mountains. It has a population of around 38 million people and its capital and largest city is Warsaw. The southern part of Poland contains the Tatra Mountains, with Rysy peak reaching 2,448 meters. Other major cities include Gdańsk, the oldest harbor city, and Kraków, the second capital city. The Warmia and Mazury region in northeast Poland contains several interesting historic towns to visit like Brąswałd, the oldest settlement, and Olsztyn, the capital city known for its old town hall and Teutonic castle where Copernicus once lived.