In Finland, an urban area or statistical locality (, ) is defined as a cluster of dwellings with at least 200 inhabitants. It may be a city, town or larger village and is a purely statistical concept, not defined by municipal or regional boundaries.
The largest urban area in Finland is the Helsinki urban area with over 1.3 million inhabitants in 2019. It extends across Helsinki as well as ten other municipalities in the Helsinki metropolitan area. The second largest is the Tampere urban area with about 342,000 inhabitants in 2019, and the third largest is the Turku urban area with about 278,000 inhabitants in 2019.
The presence of urban areas is used to regulate traffic, with a default of speed limit inside an urban area and outside. Each major road leading in or out of an urban area is marked with a road sign.
Listed are the 100 largest localities or urban areas in Finland on 31 December 2019. The list is based on data from Statistics Finland that defines an urban area as a cluster of dwellings with at least 200 inhabitants.