Encyclopedia
Apartment
3. An apartment is defined as a structurally separate room or unit in a multi-apartment building, providing direct access to common areas within such a building and comprising one or more rooms, as well as auxiliary spaces intended to meet citizens' household and other needs associated with living in such a separate unit
Source: "Housing Code of the Russian Federation" dated 29 December 2004 No. 188-FZ (as amended on 29 June 2012)