 |  | | |
  | Bobdubi |
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|  |
  | Bogia |
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|
 | 17th Special Sea Duty Coy (Japanese) |
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|
|  |
|
 | 21st Mortar Bn (Japanese) |
| |
|
  | 40th Field Road Construction Unit 2nd Coy (Japanese) |
|  |
|
 | 40th Field Road Construction Unit 3rd Coy (Japanese) |
| |
|
  | 44th Line of Communication Sector Unit (Japanese) |
|  |
|
 | 50th Construction Duty Coy (Japanese) |
| |
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  | Boo Islands |
| |
|  |
  | Borgen Bay |
| |
|  |
  | Bougainville |
| |
|  |
  | Buka Island |
| |
|  |
  | Buna |
| |
|  |
  | Buso River–Finschhafen Area |
| |
|  |
  | Butubutu |
| |
|  |
  | Cape Campbell |
| |
|  |
  | Cape Nelson |
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|  |