Hierarchy
Child units
Helsinki
Central Locality
Helsinki
Municipality
Espoo
Municipality
Vantaa
Municipality
Porvoo
Municipality
Hyvinkää
Municipality
Järvenpää
Municipality
Lohja
Municipality
Nurmijärvi
Municipality
Tuusula
Municipality
Kirkkonummi
Municipality
Kerava
Municipality
Lohja
Central Locality
Vihti
Municipality
Raseborg
Municipality
Sipoo
Municipality
Mäntsälä
Municipality
Nummela
Settlement
Loviisa
Municipality
Söderkulla
Settlement
Kauniainen
Municipality
Karkkila
Municipality
Rajamäki
Settlement
Hanko
Municipality
Veikkola
Settlement
Jokela
Settlement
Siuntio
Municipality
Ingå
Municipality
Pornainen
Municipality
Askola
Municipality
Lapinjärvi
Municipality
Pukkila
Municipality
Myrskylä
Municipality
Svartå
Settlement
Kolmiranta
Settlement
Nukari
Settlement
Palojoki
Settlement
Saarlammi
Settlement
Fremböle
Settlement
Also written Uudenmaan maakunta.