The process was completed in January 1956, when what remained of the division was disbanded at the Bobochinsky Camp in the Leningrad Military District.

On February 10, 1947, the Paris peace treaty reaffirmed the Soviet Union's right to occupy this area until 1994.

[citation needed] No Soviet civilian administration was set up; the USSR simply administered it through the military commander of Porkkala.

This post was held from June 1945 until 26 January 1956 by Sergey Ivanovich Kabanov (1901–1973), the former Commander of Hanko naval base.

While under Soviet control, Finnish passenger trains running between Helsinki and Turku were allowed to use the line through the area.

[5] Although Finland had conceded the Soviet lease for Porkkala for 50 years, the two nations reached an agreement for it to be returned earlier.