Builsa birni ne a cikin gundumar Builsa na Yankin Upper East na Ghana. Babban birnin gundumar Bulsa ta Arewa shine Sandema, na gundumar Bulsa ta kudu Fumbisi; sauran ƙauyuka / garuruwa sune Wiaga, Fumbisi, Kanjaga, Gbedema, Siniensi, Kadema da Chuchuliga. Mutanen Bulsa ko Builsa, waɗanda wani lokaci ana kiransu Kanjaga da kuskure, mutanen da ke magana da aikin noma da kiwo Oti-Volta waɗanda ke zaune a Gundumomin Builsa na Yankin Gabas ta Tsakiya. Bulsa da 'yan asalin Koma na zaune a cikin ƙasar Savanna tare da haɗarin Kulpawn da Sisil Rivers. Sandema shine babban yankin yankin kuma wurin zama mafi mahimmanci. An yi imanin Bulsa zuriyar wani basaraken Mampurusi ne mai suna Atuga daga Nalerigu, wani maƙerin Kasena mai magana da yaren Gurena (feok) mai suna Akana daga Kurugu kusa da Dakai a Burkina Faso wanda ya gina Kanjag Pung (tanggbain), da wasu mutanen Koma na asali [kom dem , mutanen Kom] wanda Atuga da Akana suka hadu a ƙasa. Bulsa sun yi kamanceceniya da sauran mutanen Yankin, kamar Kasena da Nankana, waɗanda suke tare da yankuna tare kuma da waɗancan auratayya sun yawaita.