It covers an area of 95263 km2 and is located in the subtropical Inner Terai lowlands of south-central Nepal in the districts of Nawalpur Parsa Chitwan and Makwanpur.
Puniki ngajangkepin wawengkon jimbar ipun 952.63 km2 (367.81 sq mi) miwah magenah ring dataran éndép Terai Dalam ring kelod-tengah Népal ring distrik Nawalpur, Parasi, Chitwan miwah Makwanpur.