| Abbreviation | Definition |
|---|---|
| BXT | Bontang, Indonesia |
| BXU | Butuan, Philippines |
| BXV | Breiddalsvik, Iceland |
| BXX | Borama, Somalia |
| BXZ | Bunsil, Papua New Guinea |
| BYA | Boundary, Alaska USA |
| BYB | Dibaa, Oman |
| BYC | Yacuiba, Bolivia |
| BYD | Beidah, Yemen |
| BYG | Buffalo, Wyoming USA |
| BYI | Burley, Idaho USA |
| BYK | Bouake, Cote D'Ivoire |
| BYL | Belle Yella, Liberia |
| BYM | Bayamo, Cuba |
| BYN | Bayankhongor, Mongolia |
| BYQ | Bunyu, Indonesia |
| BYT | Bantry, Republic of Ireland |
| BYU | Bayreuth, Germany |
| BYW | Blakely Island, Washington USA |
| BYX | Baniyala, Northern Territory, Australia |