The area of the district is 1,110.3 square kilometers (428.7 sq mi).

[3] Its administrative center is the rural locality (a selo) of Baryatino.

[4][2] Baryatinsky District is located in the western region of Kaluga Oblast, on the Baryatinsky-Suhinichskoy plain.

[3] Most of the district is on karst terrain, with plains covering most of the south, and ridges up to 279 meters in the north on the border with Smolensk Oblast.

About 40 percent of the region is deciduous forest (birch, aspen, spruce, pine).