Bilma ne wani zango da garin da ƙungiya a arewa gabas Nijar tare da, kamar yadda na 2012 ƙidaya, a total yawan 4.016 mutane. Tana da kariya daga dunes na hamada a ƙarƙashin Kaouar Cliffs kuma shine gari mafi girma tare da rakiyar Kaouar. An san shi da lambuna, don samar da gishiri da narkar da ruwa ta hanyar kududdufin danshi, noman kwanan wata, da kuma matsayin ɗayan ɗayan hanyoyin safarar Sahara na ƙarshe (Azalai, daga Agadez ). Yawanta yawanci Kanuri ne, tare da ƙananan Toubou, Azbinawa, da kuma Hausawa, na ƙarshe shine tunatar da matsayin Bilma a matsayin babbar tasha a kasuwancin Saharan . Bilma shine mazaunin gudanarwa na Sashin Bilma, wanda 260,000 square miles (670,000 km2) na arewa maso gabashin Nijar . Yayinda yake ci gaba da samar da gishiri a cikin manyan kwanon gishirin natron, kuma har yanzu ana siyar da wannan gishirin don amfanin dabbobi a duk yammacin Afirka, yawon shaƙatawa (wanda ya samo asali daga Agadez da tsaunukan Aïr kimanin 350 miles (560 km) zuwa yamma) yana da girma mai girma. Bilma tana da yanayin yanayin hamada mai zafi