 Another district established on August 1, 1927 was Kolpinsky District, with the administrative center in the town of Kolpino.It was a part of Leningrad Okrug of Leningrad Oblast and included areas formerly belonging to Leningradsky and Gatchinsky Uyezds.On August 19, 1930 the district was abolished and split between Tosnensky and Leningradsky Prigorodny Districts.