Hashtnagar [هشتنګر] (in Sanskrit अष्टनगरम्: aṣṭanagaram and more commonly known as اشنغر ashnaghar Pashto) is one of the two constituent parts of Charsadda District in Khyber Pakhtunkhwa, Pakistan.Later the name was changed from Hashtnagar to Utmanzai. The name Hashtnagar is derived from Sanskrit अष्टनगरम् aṣṭanagaram, n., "The eight towns" from Sanskrit aṣṭa, num. card., "Eight" and नगर nagara, n., "settlement, locality, town".