Germany (German: Deutschland, German pronunciation: [ˈdɔʏtʃlant]), officially the Federal Republic of Germany (German: Bundesrepublik Deutschland, About this soundlisten), is a country in Central and Western Europe. Covering an area of 357,022 square kilometres (137,847 sq mi), it lies between the Baltic and North seas to the north, and the Alps to the south. It borders Denmark to the north, Poland and the Czech Republic to the east, Austria and Switzerland to the south, and France, Luxembourg, Belgium and the Netherlands to the west.
Berlin (/bɜːrˈlɪn/; German: [bɛʁˈliːn]) is the capital and largest city of Germany by both area and population. Its 3,769,495 inhabitants as of 31 December 2019 make it the most-populous city of the European Union, according to population within city limits. The city is also one of Germany’s 16 federal states. It is surrounded by the state of Brandenburg, and contiguous with Potsdam, Brandenburg’s capital. The two cities are at the center of the Berlin-Brandenburg capital region, which is, with about six million inhabitants and an area of more than 30,000 km2, Germany’s third-largest metropolitan region after the Rhine-Ruhr and Rhine-Main regions.