Germany (/ˈdʒɜrməni/; German: Deutschland [ˈdɔʏtʃlant]), officially the Federal Republic of Germany (German: Bundesrepublik Deutschland, About this sound listen (help·info)),[d][6] is a federal parliamentary republic in western-central Europe. It includes 16 constituent states and covers an area of 357,021 square kilometres (137,847 sq mi) with a largely temperate seasonal climate. Its capital and largest city is Berlin. With 81 million inhabitants, Germany is the most populous member state in the European Union. After the United States, it is the second most popular migration destination in the world.[7]