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- Naantalin maalaiskunta – became part of the City of Naantali in 1964
- Nagu – consolidated with Pargas, Houtskär, Iniö and Korpo to form a new city of Väståboland
- Noormarkku – consolidated with Pori in 2010
- Nuijamaa – became part of the City of Lappeenranta in 1989
- Nummi – was consolidated with Pusula to form Nummi-Pusula in 1981
- Nurmeksen maalaiskunta became part of the City of Nurmes in 1973
- Nurmo – consolidated with Seinäjoki in 2009
- Nykarleby landskommun – consolidated with 1975 with Nykarleby
Read more about this topic: Former Municipalities Of Finland