Latest changes (1 January 2010):
Himanka (095) was merged with the municipality of Kalajoki (208) and the area of the former municipality of Himanka moved from the sub-regional unit of Kokkola (162) to that of Ylivieska (177).
Orivesi (562) moved from the sub-regional unit of Ylä-Pirkanmaa (069) to that of Tampere (064).
Hämeenkyrö (108) moved from the sub-regional unit of Luoteis-Pirkanmaa (061) to that of Tampere (064).
Juuka (176) moved from the sub-regional unit of Pielisen Karjala (125) to that of Joensuu (122). Heinola (111), Sysmä (781) and Hartola (081) moved from the sub-regional unit of Heinola (072) to that of Lahti (071) whereby the sub-regional unit of Heinola ceases to exist.
The name of the sub-regional unit of Siikalatva (175) was changed to Haapavesi-Siikalatva. The sub-regional unit code remained unchanged.
The name of sub-regional unit 153 is Sydösterbotten.
Changes as of 1 January 2009
The sub-regional unit of Tammisaari (013), consisting of Hanko (078) and Inkoo (149) and currently also of Tammisaari (835), Karjaa (220 ) and Pohja (696) changed into the sub-regional unit of Raasepori (014).
In addition, the municipality of Soini (759) was moved from Kuusiokunnat (144) to the sub-regional unit of Järviseutu (146).
The following sub-regional units were abolished:
143 Eteläiset seinänaapurit: Merged with the sub-regional unit of Seinäjoki (142).
145 Härmänmaa: Merged with the sub-regional unit of Seinäjoki (142)
102 Juva: Of the municipalities belonging to the sub-regional unit of Juva the municipality of Puumala (623) was merged with the sub-regional unit of Mikkeli (101), and Joroinen (171), Juva (178) and Rantasalmi (681) were merged with the sub-regional unit of Pieksämäki (105).
012 Lohja: Merged with the sub-regional unit of Helsinki (100).
092 Länsi-Saimaa: Merged with the sub-regional unit of Lappeenranta (091).
Name changes of the sub-regional units:
141 Suupohja: In future the sub-regional unit will be called Suupohja even in Swedish-language contexts.
153 Sydösterbottens kustregion: The Finnish-language name of the sub-regional unit is Suupohjan rannikkoseutu and its Swedish-language name is Sydösterbotten.
Changes as of 1 January 2007
Lapua (408) was moved from the sub-regional unit of Härmänmaa (145) to that of Seinäjoki (142).
Mynämäki (503) was moved from the sub-regional unit of Vakka-Suomi (024) to that of Turku (023).
Punkalaidun (619) was moved from the sub-regional unit of Pori (043) to that of Lounais-Pirkanmaa (068).
The sub-regional unit of Kärkikunnat (094) was abolished, whereupon the municipality of Parikkala (580) was moved to the sub-regional unit of Imatra (093).
The sub-regional unit of Outokumpu (121) was abolished, whereupon the municipalities of Outokumpu (309) and Polvijärvi (607) were moved to the sub-regional unit of
Joensuu (122).
The sub-regional unit of Ilomantsi (123) was abolished, whereupon the municipality of Ilomantsi (146) was moved to the sub-regional unit of Joensuu (122).