Tula Oblast is a federal subject of Russia. It is geographically located in European Russia and is administratively part of the Central Federal District, covering an area of 25,700 square kilometers (9,900 sq mi). It has a population of 1,553,925 (2010 Russian census). Tula is the largest city and the administrative center of the oblast.

The Central Federal District is one of the eight federal districts of Russia. Geographically, the district is situated in the extreme west of present-day Russia; although it can be considered as the central region of European Russia. The district covers an area of 650,200 square kilometers (251,000 sq mi), and recorded a population of 40,334,532 in the 2021 Census. The Presidential Envoy to the Central Federal District is Igor Shchyogolev.