Bratislava is the capital of Slovakia and, with a population of about 431,000, also the country's largest city. Bratislava is in southwestern Slovakia on both banks of the Danube River. Bordering Austria and Hungary, it is the only national capital that borders two independent countries. Bratislava and Vienna are two of the closest European national capitals to each other, at less than 37 miles apart. Bratislava is the political, cultural, and economic centre of Slovakia. It is the seat of the Slovak president, the parliament, and the executive branch of the government. It is home to several universities, museums, theatres, galleries and other important cultural and educational institutions.