Uusimaa was a Finnish

Finland

Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...

 . However the class was called the Uusimaa-class in Finland since the ship had some unique modifications (i.e. British submarine hunting equipment).

As the Finnish Navy had a manpower restriction after WW2, the navy suffered personnel shortages after the commissioning of the Turunmaa and Karjala. The navy limited therefore the use of its two Hämeenmaa frigates and finally decided to retire them.

Uusimaa was in Finnish Navy

Finnish Navy

The Finnish Navy is one of the branches of the Finnish Defence Forces. The Navy employs 2,300 people and about 4,300 conscripts are trained each year. Finnish Navy vessels are given the ship prefix "FNS" simply short for "Finnish Navy Ship"...

service between 1964-1980. She was decommissioned in 1979 and cannibalized for spare parts for the Hämeenmaa.