[2] Its administrative center is the town of Lomonosov[1] (which is not a part of Leningrad Oblast and is located on the territory of the federal city of Saint Petersburg).
In 1617, according to the Treaty of Stolbovo, the west of the area was transferred to Sweden, and in 1703, during the Great Northern War, it was conquered back by Russia.
[10] On August 1, 1927, the uyezds were abolished and Oranienbaumsky District, with the administrative center in the town of Oranienbaum, was established.
On August 27, 1939 Bolshaya Izhora was made an urban-type settlement, and on September 17, 1939 Oranienbaum became the city of the oblast significance and ceased to be a part of the district.
Between August 1941 and January 1944, during World War II, the western part of the district was occupied by German troops.
[11] On April 19, 1973 Sosnovy Bor became a town of oblast significance and ceased to be a part of the district.
On August 1, 1927 Detskoselsky District was established as well, with the administrative center in the town of Detskoye Selo.
On June 12, 1950 some parts of the district, including the town of Uritsk, were transferred to the city of Leningrad.
[16] As a result of a sequence of administrative reforms, the town of Krasnoye Selo was transferred to the federal city of Saint Petersburg.
The part of the coast of the Gulf of Finland adjacent to the town of Sosnovy Bor, including the urban-type settlement of Lebyazhye, is included into the border security zone, intended to protect the borders of Russia from unwanted activity.
In order to visit the zone, a permit issued by the local Federal Security Service department is required.
The A180 highway coincides with the European route E20 connecting Saint Petersburg via Tallinn with Shannon Airport.
[18] The federally designated monuments include the medieval Koporye Fortress, the Gostilitsy Estate in the village of Gostilitsy, built in the 18th century and redesigned in the 1840s by Andrei Stackenschneider, the complex of the postal station in the village of Kipen, built in the 1800s, and the Ropsha Estate in the settlement of Ropsha, built in the 18th century under the general supervision of Francesco Bartolomeo Rastrelli, and in the 1790s was the imperial estate owned by Tsar Paul I. Ensembles of Gostilitsy and Ropsha, as well as four roads stretching out of Saint Petersburg — Tallinskoye Highway (A180), Peterhofskoe Highway, Ropshinskoe Highway, and Gostilitskoe Highway — are a part of World Heritage site Historic Centre of Saint Petersburg and Related Groups of Monuments.