| name | type | Area (m²) | capital city | Country | continent | population (people) |
|---|---|---|---|---|---|---|
| Beni Department | Department | 213,563,998,208 | Bolivia | America | 421,196 | |
| Boaco Department | Department | 4,244,000,000 | Nicaragua | America | 171,000 | |
| Bolívar Department | Department | 25,977,999,360 | Colombia | America | 2,049,083 | |
| Boquerón department | Department | 91,668,996,096 | Paraguay | America | 45,617 | |
| Borgou Department | Department | 25,856,000,000 | Benin | Africa | 831,842 |