Jammalamadugu is a Sub-District (Tehsil/Block/Mandal) in the Y S R District of Andhra Pradesh. As par Census 2011 information the sub-district code of Jammalamadugu is 05215. There are about 51 sub-districts in Y S R and Jammalamadugu is one of them. Atlur, B Kodur, Badvel, Brahmamgarimattam, Chakrayapet, Chapad, Chennur, Chinnamandem, Chinthakommadinne, Chitvel, Duvvur, Galiveedu, Gopavaram, Kadapa, Kalasapadu, Kamalapuram, Khajipet, Kodur, Kondapuram, Lakkireddipalle, Lingala, Muddanur, Mylavaram, Nandalur, Obulavaripalle, Peddamudium, Penagalur, Pendlimarri, Porumamilla, Proddatur, Pulivendla, Pullampeta, Rajampet, Rajupalem, Ramapuram, Rayachoti, S Mydukur, Sambepalle, Sidhout, Simhadripuram, Sri Avadhutha Kasinayana, T Sundupalle, Thondur, Vallur, Veeraballe, Veerapunayunipalle, Vempalle, Vemula, Vontimitta, Yerraguntla etc. are other sub-districts in Y S R.There are about 20 villages in Jammalamadugu sub-district, which you can browse from villages list.