The town is located on the Borzya River, a right-hand tributary of the Onon, southeast of Chita about from the border of Mongolia to the south, and from the border of China to the southeast.
The town is located on the Borzya River, a right-hand tributary of the Onon, some 349 km southeast of Chita. Borzya is around 40 km from the border of Mongolia to the south, and 70 km from the border of China to the southeast.