Kazakhstan–Russia border
separates the territories of Russia and Kazakhstan

The Kazakhstan–Russia border is the 7,644-kilometre (4,750 mi) international border between the Republic of Kazakhstan and the Russian Federation. It is the longest continuous international border in the world and the second longest by total length, after the Canada–United States border. It is in the same location as the former administrative-territorial border between the Kazakh Soviet Socialist Republic and the Russian Soviet Federative Socialist Republic within the Soviet Union.
Geography
The border starts in the west at the Caspian Sea and runs in a broadly west–east direction to the tripoint with China, though in places it is extremely convoluted. The border consists almost entirely of a series of overland lines traversing the Eurasian Steppe, though in sections rivers are utilised, such as the Maly Uzen, Ural and Uy. The border runs across lakes Botkul and Bura. In the far eastern section the border runs through the Altai Mountains.
Settlements
The following towns and cities of Kazakhstan lie adjacent to the border:
Kurmangazy
Saykyn
Zhanybek
Oral
Zhetikara
Petropavl
The following towns and cities of Russia lie adjacent to the border:
Subnational entities
The following Regions of Kazakhstan (oblystar) lie on the border:
The following Federal subjects of Russia lie on the border:
History
Russia had conquered Central Asia in the 19th century, by annexing the formerly independent Khanates of Kokand and Khiva and the Emirate of Bukhara. After the Communists took power in 1917 and created the Soviet Union it was decided to divide Central Asia into ethnically based republics in a process known as National Territorial Delimitation (or NTD). This was in line with Communist theory that nationalism was a necessary step on the path towards an eventually communist society, and Joseph Stalin's definition of a nation as being “a historically constituted, stable community of people, formed on the basis of a common language, territory, economic life, and psychological make-up manifested in a common culture”.
“Kazakhstan–Russia border” enters the record as separates the territories of Russia and Kazakhstan. Crown Archives preserves that source wording while asking what Kazakhstan, Russia and border can confirm, complicate or overturn.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jul 6, 2026. The linked authority identifier is Q2629898. Authority coordinates are 49.100, 87.313. None of the 1 selected statements returned an explicit reference. The first chronological checks are 1917.
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This entry incorporates text from “Kazakhstan–Russia border” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.