Akarere ka Muhanga ni kamwe mu turere tugize Intara y'Amajyepfo. Gahana imbibi n'uturere; Gakenke mu majyaruguru, Ruhango mu majyepfo, Ngororero mu burengerazuba na Kamonyi mu burasirazuba. Muhanga ifite abaturage bagera ku bihumbi magana atatu na birindwi magana atanu n'umwe (307,501), ingo ibihumbi mirongo itandatu na bine na mirongo itandatu n'eshatu(64063), kuri buri km² hatuye 475, gafite ubuso bwa km² 647.7, igizwe n'Imirenge 12 , Utugari 63 n' Imidugudu 331.

Akarere ka Muhanga kazwi cyane ku buhinzi bw'ikawa, imyumbati, imboga n'ibinyampeke (amasaka, ibigori,...)