(and largest city) Kathmandu ( Nepali : ???????? ) 27°42'N 85°19'E / 27.7°N 85.317°E / 27.7; 85.317 Official languages Nepali [ 1 ] Recognised regional languages Maithili , Nepal Bhasa , Bhojpuri , Tharu , Gurung , Tamang , Magar , Awadhi , Sherpa , Kiranti and other 100 different indigenous languages.