Question: Where did the Young Pioneer Camp originate?

Context paragraphs:
Artek (camp): Artek (Cyrillic: Арте́к) is an international children center (a former Young Pioneer camp) on the Black Sea in the town of Hurzuf located on the Crimean peninsula, near Ayu-Dag.  It was established on June 16, 1925.

Pioneer Woman (Littman): Pioneer Woman, also known as Joy, Joy (Pioneer Woman), the Laberee Memorial Fountain, Mother/Child and Young Pioneer Woman, is an outdoor 1956 bronze sculpture and drinking fountain by American artist Frederic Littman, located at Council Crest Park in Portland, Oregon.

1956 Artek: 1956 Artek, provisional designation 1969 TX, is a dark Themistian asteroid from the outer regions of the asteroid belt, approximately 19 kilometers in diameter.  It was discovered on 8 October 1969, by Soviet–Russian astronomer Lyudmila Chernykh at the Crimean Astrophysical Observatory in Nauchnyj.  It was named after Artek, a Soviet Young Pioneer camp.

Young Pioneer camp: Young Pioneer camp (Russian: Пионерский лагерь ) was the name for the vacation or summer camp of Young Pioneers.  In the 20th century these camps existed in many socialist countries, particularly in the Soviet Union.

Manitoba Pioneer Camp: Manitoba Pioneer Camp (MPC) is a summer camp, one of several Pioneer Camps owned and operated by Inter-Varsity Christian Fellowship (IVCF) of Canada.  It operates on two islands on Shoal Lake, near Lake of the Woods.  It is located just on the Ontarian side of the Manitoba-Ontario border, and is accredited by the Manitoba Camping Association.

Pioneers Palace: Young Pioneer Palaces or Palaces of Young Pioneers and Schoolchildren were youth centers designated for the creative work, sport training and extracurricular activities of Young Pioneers and other schoolchildren.  Young Pioneer Palaces originated in the Soviet Union (USSR).  After the collapse of the Soviet Bloc and the Soviet Union itself, they were transformed into depoliticized youth extracurricular establishments.

Camp Charbak: Charbak was Young Pioneer camp (Russian: Пионерский лагерь) in the Soviet Union in the town of Aravan.

Welcome, or No Trespassing: Welcome, or No Trespassing (Russian: Добро пожаловать, или Посторонним вход воспрещён , "Dobro pozhalovat, ili Postoronnim vkhod vospreshchyon " ) is a Soviet movie by Elem Klimov made in 1964.  It is a satirical comedy about the excessive restrictions that children face during their vacation in a Young Pioneer camp, imposed by their masters.  Most of the actors are children, while the protagonist is the director Dynin, played by Yevgeniy Yevstigneyev.  The film was selected to be screened in the Cannes Classics section of the 2015 Cannes Film Festival.

Pioneers of the Revolution: The Pioneers of the Revolution (French: "Pionniers de la Révolution" ) was a youth organisation in Burkina Faso, modelled along the pattern of the pioneer movements typically operated by communist parties, such as the contemporary Pioneers of Enver, José Martí Pioneer Organisation and Agostinho Neto Pioneer Organisation.  The Pioneers of the Revolution organised children of all ages.  Much like many other young pioneer movements, such as the Vladimir Lenin All-Union Pioneer Organisation and the Young Pioneers of China, the most distinct sign of the Pioneers were their red scarves, joined by rudimentary uniforms and yellow berets.

Young Pioneers: See also, for instance, Pioneers Palace, Young Pioneer camp, Young Pioneers Stadium.

Supporting paragraphs: Young Pioneers Pioneers Palace
Answer: Soviet Union