(and largest city) Kathmandu ( Nepali : ????????) 27°42?N 85°19?E Official language(s) Nepali [1] Recognised regional languages Nepal Bhasa , Maithili , Bhojpuri , Tharu , Gurung , Tamang , Magar , Awadhi , Sherpa , Kiranti , Limbu and other 100 different indigenous languages. Demonym Nepali Government Federal republic  - President