Larger urban zone

The larger urban zone (LUZ), or Functional Urban Area (FUA), is a measure of the population and expanse of metropolitan areas in Europe. It consists of a city and its commuting zone.

The LUZ represents an attempt at a harmonised definition of the metropolitan area. Eurostat's objective was to have an area from which a significant share of the residents commute into the city, a concept known as the "functional urban region." To ensure a good data availability, Eurostat adjusts the LUZ boundaries to administrative boundaries that approximate the functional urban region.

The definition was introduced in 2004 by Eurostat, the statistical agency of the European Union (EU), in agreement with the national statistics offices in the member states. Data is provided on cities in the EU, its candidate countries and EFTA countries. Several cities were excluded by definition from the 2004 list of LUZs on technical, definitional grounds, such as the coincidence of the metropolitan area with the urban zone.

In 2006 LUZ definitions were changed significantly, improving the comparability of LUZ definitions across different countries, and allowing for almost all cities to be included.

This is a list of larger urban zones. The Urban Audit also includes cities from EFTA countries (Iceland, Liechtenstein, Norway and Switzerland) and EU candidate countries.

The figures in the Eurostat database are an attempt at a compromise between harmonised data for all of the European Union, and with availability of statistical data, making comparisons more accurate.

This is a list of larger urban zones by population as of 2004. The 2004 Urban Audit also includes cities from EFTA countries (Iceland, Liechtenstein, Norway and Switzerland) and EU candidate countries, although the only candidate country for which there is available data is Turkey. Some cities, including Marseille, Lille, Nice, Cordoba, Badajoz, Toulon and Montpellier were excluded from the 2004 list on technical, definitional grounds, such as the coincidence of the metropolitan area with the urban zone.

Eurostat's Urban Audit is about much more than demographics. In order for it to be useful as a policy tool to the European Commission and other authorities it contains data for over 250 indicators across the following domains:

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