| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Bi Moja | city | | Tanzania, United Rep. of | -6.1 | 39.35 | 101 | 21636 |
| Biaramulo | city | Kagera Region | Tanzania, United Rep. of | -2.6319444 | 31.3088889 | 4908 | 4791 |
| Bibainja | city | | Tanzania, United Rep. of | -1.4166667 | 31.7666667 | 4041 | 7855 |
| Bibainji | city | | Tanzania, United Rep. of | -1.4166667 | 31.7666667 | 4041 | 7855 |
| Bibi Kundenda | city | | Tanzania, United Rep. of | -11.2666667 | 37.0166667 | 3044 | 1685 |
| Bicha | city | | Tanzania, United Rep. of | -4.9333333 | 35.8 | 4773 | 4648 |
| Bigamiro | city | | Tanzania, United Rep. of | -4.7833333 | 29.65 | 2916 | 4902 |
| Bigenyi | city | Kagera Region | Tanzania, United Rep. of | -1.4772222 | 30.8586111 | 4127 | 9161 |
| Bigwa | city | | Tanzania, United Rep. of | -7.2166667 | 39.15 | 265 | 4331 |
| Biharamulo | city | Kagera Region | Tanzania, United Rep. of | -2.6319444 | 31.3088889 | 4908 | 4791 |
| Bihata | city | | Tanzania, United Rep. of | -2.2333333 | 31.4666667 | 4996 | 16020 |
| Bihonzi | city | | Tanzania, United Rep. of | -2.6394444 | 30.6497222 | 4543 | 6209 |
| Biirabo | city | Kagera Region | Tanzania, United Rep. of | -1.8497222 | 31.5488889 | 4999 | 19605 |
| Bikoni | city | | Tanzania, United Rep. of | -2.635 | 31.0413889 | 4032 | 4791 |
| Binga | city | | Tanzania, United Rep. of | -7.25 | 39.2333333 | 154 | 4331 |
| Binguni | city | | Tanzania, United Rep. of | -6.1833333 | 39.3333333 | 104 | 27837 |
| Birikani | city | | Tanzania, United Rep. of | -6.0666667 | 39.2166667 | 22 | 24190 |
| Birikani | city | | Tanzania, United Rep. of | -6.1833333 | 39.2833333 | 173 | 135408 |
| Birikao | city | | Tanzania, United Rep. of | -4.9666667 | 39.75 | 3 | 39785 |
| Birikau | city | | Tanzania, United Rep. of | -5.2166667 | 39.75 | 3 | 41017 |
| Birise | city | | Tanzania, United Rep. of | -5.4166667 | 35.1833333 | 3474 | 5127 |
| Biro | city | | Tanzania, United Rep. of | -8.8833333 | 36.05 | 846 | 1120 |
| Bisarive | city | | Tanzania, United Rep. of | -1.85 | 34 | 4835 | 18040 |
| Bisariye | city | | Tanzania, United Rep. of | -1.85 | 34 | 4835 | 18040 |
| Bisheshe | city | Kagera Region | Tanzania, United Rep. of | -1.6797222 | 31.1161111 | 5009 | 9260 |
| Bismarckburg | city | | Tanzania, United Rep. of | -8.4666667 | 31.15 | 2526 | 2899 |
| Bitale | city | Kigoma Region | Tanzania, United Rep. of | -4.7502778 | 29.6602778 | 3028 | 4902 |
| Bituruguru | city | | Tanzania, United Rep. of | -1.95 | 33.85 | 4045 | 15713 |
| Biyungu | city | Tabora Region | Tanzania, United Rep. of | -1.6522222 | 30.9733333 | 4445 | 9156 |
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