What does "helsinki" mean?

The capital city of Finland; a municipality, the capital of the region of Uusimaa, Finland.

Helsinki

Common synonyms include: capital city, capital of finland, finnish capital, geographic epithet, proper noun in title, toponym usage.

/hɛlˈsɪŋ.ki/ name

name ·Rare ·Advanced level

Proper Noun

1
The capital city of Finland; a municipality, the capital of the region of Uusimaa, Finland.
"My doctors didn't want me to go to Helsinki, but staying home wasn't an option. Yeltsin had been reelected and NATO was about to vote to admit Poland, Hungary, and the Czech Republic; we had to have an agreement on how to proceed."
2
The Finnish government. metonymically
"The aim of the bill is to introduce temporary measures which curb migrants from entering the Nordic nation, in response to what Helsinki sees as “hybrid warfare” from Russia."

"On a good day, you can see the coast of Estonia from Helsinki."

Borrowed from Finnish Helsinki.