No changes as of 1 January 2024
No changes as of 1 January 2023
No changes as of 1 January 2022
No changes as of 1 January 2021
No changes as of 1 January 2020
No changes as of 1 January 2019
On 1 January 2013, Suomenniemi (775) was merged with Mikkeli (491), whereby the area of the former municipality of Suomenniemi moved from the are of the Southern Finland Regional State Administrative Agency (1) to the area of the Eastern Finland Regional State Administrative Agency (3), and Kiikoinen (254) was merged with Sastamala (790), whereby the area of the former municipality of Kiikkoinen moved from the area of the Southwestern Finland Regional State Administrative Agency (2) to the area of the Western and Inland Finland Regional State Administrative Agency (4).
On 1 January 2010, the tasks of the Regional State Administrative Agencies replace the duties of the State Provincial Offices, environmental permit authorities, regional environmental authorities and labour protection districts of 2009.