Lieto

Lieto
Lundo
Town
Liedon kaupunki
Lundo stad
Location of Lieto in Finland
Coordinates: 60°30.3′N 022°27.5′E / 60.5050°N 22.4583°E / 60.5050; 22.4583
Country Finland
RegionSouthwest Finland
Sub-regionTurku sub-region
Metropolitan areaTurku metropolitan area
Founded1331
Government
 • Town managerMika Ingi
Area
 (2018-01-01)
 • Total
302.56 km2 (116.82 sq mi)
 • Land300.54 km2 (116.04 sq mi)
 • Water1.66 km2 (0.64 sq mi)
 • Rank235th largest in Finland
Population
 (2025-06-30)
 • Total
20,694
 • Rank52nd largest in Finland
 • Density68.86/km2 (178.3/sq mi)
Population by native language
 • Finnish93.8% (official)
 • Swedish1.5%
 • Others4.7%
Population by age
 • 0 to 1419.5%
 • 15 to 6460.8%
 • 65 or older19.7%
Time zoneUTC+02:00 (EET)
 • Summer (DST)UTC+03:00 (EEST)
ClimateDfb
Websitelieto.fi

Lieto (Finnish pronunciation: [ˈlie̯to]; Swedish: Lundo) is a town and municipality of Finland.

It is located in the province of Western Finland and is part of the Southwest Finland region. The municipality has a population of 20,694 (30 June 2025) and covers an area of 302.56 square kilometres (116.82 sq mi) of which 1.66 km2 (0.64 sq mi) is water. The population density is 68.86 inhabitants per square kilometre (178.3/sq mi).

Neighbour municipalities are Aura, Kaarina, Marttila, Paimio, Pöytyä and Turku.

The town is unilingually Finnish.

Lieto has a medieval stone church, St. Peter's church, that originates from around 1500 near the town center.

The is also home to the largest local scout troop in Finland, called LEK or Liedon Eränkävijät.

Lieto was changed to a town in July 2022.