The Vilnius urban area (known in Lithuanian as: Vilniaus aglomeracija and legally as the Vilniaus miesto tvarios plÃÂtros strategijos ïgyvendinimo teritorija) is the functional urban area of Vilnius. The continuous built-up area is spread across three municipalities in Vilnius County, spanning for 538 km<sup>2</sup>.
The continuous built-up area of Vilnius streches to 538 km<sup>2</sup>. The area includes the 401 km<sup>2</sup> Vilnius City Municipality, including cities of Vilnius and Grigià ¡kÃÂs, and the surrounding suburbia: 121km<sup>2</sup> of the Vilnius District Municipality, that had a population of 44,347 in July 2023, and 16 km<sup>2</sup> of the Trakai District Municipality, including city of Lentvaris, with population of 11,545 people respectively.
The largest cities, towns or villages within the urban area are Vilnius, Lentvaris, Grigià ¡kÃÂs, Skaidià ¡kÃÂs.
While Vilnius urban area occupies only most of Vilnius City and Vilnius District municipalities and a small part of Trakai District, Vilnius metropolitan region is a larger entity, occupying, depending on definition, most or all of Vilnius county, at some cases, stretching also well into Alytus and Utena counties.
Dual city of Vilnius and Kaunas (known in Lithuanian as: Vilniaus ir Kauno dvimiestis or dipolis) is an idea to combine resources of Vilnius and Kaunas to be able to compete with larger European cities like Warsaw, Budapest, Bucharest or Prague for Western investments. The plan, which includes various forms of collaboration and vocalizes the idea, among all the other projects,â of fast commuting between the two (most notably â the construction of high speed rail) is not fully realized but idea is slowly being implemented (see: Rail Baltica) and is brought up by politicians every year. Combined metropolitan area of both cities would have population of more than 1.5 million and would produce more than a half of Lithuania's total GDP.
In 2022 Vilnius gross metropolitan product was almost â¬30 billion. This puts Vilnius in 80th place among cities in European Union.