Estate of russian princess E.R. Vorontsova-Dashkova (1743–1810)
Kaluga Oblast is a federal subject of Russia (an oblast). Its administrative center is the city of Kaluga. It was created in 1944 out of four other oblasts: Moskva Oblast, Orel Oblast, Smolensk Oblast, and Tula Oblast. It is located at the historical region of the former Kaluga Governorate.