OKATO

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This article is about a Russian classification document. For the township in New Zealand, see Okato.

Russian Classification on Objects of Administrative Division (Russian: Общеросси́йский классифика́тор объе́ктов администрати́вно-территориа́льного деле́ния), or OKATO (Russian: ОКАТО), also called All-Russian classification on units of administrative and territorial distribution in English^[1], is one of several Russian national registers. OKATO's purpose is organization of information about structure of the administrative division of Russia.

The document assigns numeric codes to each administrative division of the country, which are hierarchically structured from the federal subject level down to selsoviet level.

OKATO is used for statistical and tax purposes. It was adopted on July 31, 1995, replacing SOATO (Designation System of Objects of Administrative Division of the Union of SSR and the Union Republics, as well as Inhabited Localities). It went into effect on January 1, 1997 and as of 2006 underwent 102 revisions. Compilation and maintenance of the OKATO data is the responsibility of the Federal State Statistics Service (Rosstat) of Russia.