A metropolitan region's gross domestic product, or GDP, is one of several measures of the size of its economy.
Similar to GDP, GMP is defined as the market value of all final goods and services produced within a metropolitan region in a given period of time.
This list shows metropolitan regions in the European Union by 2021 GDP according to Eurostat.
[1] In some of the EU member states, there can exist differently defined areas of various sizes, which may also be called metropolitan regions.
This list shows metropolitan regions in Germany (German: Metropolregionen) by 2021 GDP according to Statista.