The Vienna-Bratislava metropolitan region is one of 5 polycentric metropolitan areas in European Union.

[2] It has population of over 3 million inhabitants and covers an area of around 14,000 square kilometres (5,400 sq mi).

It is located in seven administrative units (NUTS-3 class).

The distance from Vienna to Bratislava is approximately 50 km.

This European geography article is a stub.