the capital and largest city of Finland; located in southern Finland; a major port and commercial and cultural center
"As the capital and largest city of Finland, Helsinki serves as a major port and vibrant commercial and cultural center in southern Finland."
The capital city of Finland
"Helsinki is the capital city of Finland, known for its blend of neoclassical architecture and coastal beauty."
The name comes directly from the Finnish word Helsinki and was adopted into English to refer to the capital city of Finland. It has retained its original meaning as a proper noun for that specific location since entering the language.