Lieto

Lieto
Lundo
City
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
  City 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
 (2025-03-31)
  Total
20,687
  Rank52nd largest in Finland
  Density68.83/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 city 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 20,687 (31 March 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 68.83 inhabitants per square kilometre (178.3/sq mi).

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

The city is unilingually Finnish.

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

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

Lieto was changed to a city in July 2022.