کالوګا ولايت (Kaluga Oblast) (په روسي ژبه کې: Script error: The function "د ژبې نوم" does not exist.) , Kaluzhskaya oblast) د روسیې یوه فدرالي واحد (اوبلاست) ده چې په مرکزي فدرالي ولسوالۍ کې موقعیت لري. د دې اداري مرکز د کالوګا ښار دی.
↑Федеральная служба государственной статистики (Federal State Statistics Service) (2004-05-21). "Территория, число районов, населённых пунктов и сельских администраций по субъектам Российской Федерации (Territory, Number of Districts, Inhabited Localities, and Rural Administration by Federal Subjects of the Russian Federation)". Всероссийская перепись населения 2002 года (All-Russia Population Census of 2002) (in Russian). Federal State Statistics Service. Retrieved 2011-11-01.
↑The density value was calculated by dividing the population reported by the 2010 Census by the area shown in the "Area" field. Please note that this value may not be accurate as the area specified in the infobox is not necessarily reported for the same year as the population.
↑Official the whole territory of Russia according to Article 68.1 of the Constitution of Russia.
