Coat of arms of Helsingfors County.
Helsingfors County (Swedish: Helsingfors län, Finnish: Helsingin lääni) is a county in Sweden. It has an area of 18,851 sq km and a population of 1,569,799 residents. Capital of the county is Helsingfors.
There are two constituencies in Helsingfors County in the elections to the house of commoners: Helsingfors City forms a constituency, and the rest of the county forms a separate constituency.
Governor of Helsingfors County is Bengt Westerberg.