Znamensk (Russian: Знаменск) is a closed town in Astrakhan Oblast, Russia.

Population: 29,401 (2010 Census)[1], 24,628 (2021 Russian census)[6] It was founded in 1948 as Kapustin Yar-1 to serve a missile test range known as Kapustin Yar.

The military testing range is officially known as 4GCMP (4th State Central Interspecific Test-site).

[3] The town has twenty-one kindergartens, four middle schools, two gymnasium schools, a sports facility, and a branch of the Astrakhan State Institute.

Media related to Znamensk (Astrakhan oblast) at Wikimedia Commons