"Kaluga (en ruso, , tr.: Kalúzhskaya óblast) es un sujeto federal de Rusia, un óblast. Su capital es Kaluga.Fundado en 1944, el óblast de Kaluga está situado en el corazón de la parte europea de Rusia. El óblast ha estado demostrando altas tasas de crecimiento económico, y es uno de los mayores centros culturales, educativos y científicos de Rusia."
"Kaluga Oblast (Russian: , Kaluzhskaya oblast) is a federal subject of Russia (an oblast). Its administrative center is the city of Kaluga. Population: 1,010,930 (2010 Census). Established in 1944, Kaluga Oblast is located in the heart of the European part of Russia. It has well-developed transportation and utility infrastructure. The oblast has been demonstrating high economic growth rates, has substantial human reserves, and is one of the largest cultural, educational and scientific centers of Russia."