Atchampet mandal (officially Atchampet H/O Chamarru) is one of the 28 mandals in Palnadu district of the Indian state of Andhra Pradesh.

The mandal is under the administration of Sattenapalli revenue division and the headquarters are located at Chamarru.

[2] The mandal is located on the banks of Krishna River, at a distance 68 km from the district headquarters.

It is bounded by Amaravathi, Krosuru, Pedakurapadu, Bellamkonda and Sattenapalli mandals.

[4] Atchampet mandal is one of the 5 mandals under Pedakurapadu (Assembly constituency), which in turn represents Narasaraopet (Lok Sabha constituency) of Andhra Pradesh.