The state border of Belarus separates

Belarus Belarus,, , ; alternatively and formerly known as Byelorussia (from Russian ). officially the Republic of Belarus,; rus, Республика Беларусь, Respublika Belarus. is a landlocked country in Eastern Europe. It is bordered by R ...

from 5 states and has a length of .Пресс-служба Президента Республики Беларусь — Основные факты
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History

The incorporation of

Western Belarus Western Belorussia or Western Belarus ( be, Заходняя Беларусь, translit=Zachodniaja Bielaruś; pl, Zachodnia Białoruś; russian: Западная Белоруссия, translit=Zapadnaya Belorussiya) is a historical region of mod ...

to the USSR radically affected the state of protection of the state border with Lithuania by parts of the Belarusian District. After the accession of Western Belarus to the BSSR on October 15, 1939, the border detachments of the People’s Commissariat of Internal Affairs (NKVD) of the BSSR was tasked to guard the Belarusian section of the border with Germany, and on June 21, 1940, also the Lithuanian border. The former Soviet-Polish border was not fully dismantled and existed up until the German attack on the Soviet Union. For internal security purposes, the servicemen of the Belarusian border district carried out security service on the “old border”, for the passage of which the population needed special passes.

References

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