| Boruy |
5 |
| Boscoreale |
4 |
| Boscoreale Treasure |
5 |
| Bosnia and Herzegovina |
6 |
| Bosnian Crisis |
5 |
| Bosphorus |
3 |
| botched restorations |
34 |
| Botevgrad |
3 |
| Botevgrad Mayor |
1 |
| Botevgrad Municipality |
2 |
| Botevgrad Museum of History |
2 |
| Botevgrad Pass (Arabakonak Pass) |
1 |
| boule |
2 |
| bouleuterion |
6 |
| bow and arrow |
4 |
| bowl |
4 |
| Boxer of Quirinal |
1 |
| boxing |
2 |
| boxing gloves |
1 |
| boxwood |
1 |
| Boyan Totev |
6 |
| Boyana Church |
13 |
| Boyana Film Studio |
1 |
| Boyana Master |
2 |
| Boyana Psalter |
1 |
| Boyanovo |
4 |
| boyar |
3 |
| Boyko Borisov |
19 |
| Boyko Vatev |
2 |
| Bozhaka |
1 |
| Bozhenishki Urvich Fortress |
1 |
| Bozhenishki Urvich inscription |
1 |
| Bozhenitsa |
1 |
| Bozhidar Chaparov |
1 |
| Bozhidar Dimitrov |
44 |
| Bozhidar Draganov |
4 |
| Bozhurishte |
1 |
| Braban |
1 |
| bracelet |
14 |
| Braila |
1 |
| brain |
1 |
| brain cells |
1 |
| Bran |
1 |
| Bran Castle |
1 |
| Brandenburg Gate |
1 |
| Branichevo |
1 |
| Branitsky Bishop Grigoriy |
1 |
| Brasov |
1 |
| Bratanova Cave |
1 |
| Bratislava |
3 |
| Bratislava Castle |
1 |
| Bratya Srebrovi (Srebrov Brothers) House |
1 |
| Braunau am Inn |
2 |
| brazier |
1 |
| breaking and entering |
2 |
| breastplate |
9 |
| Bregovo Municipality |
2 |
| Bremen |
1 |
| Bresto Bronze Age Settlement |
1 |
| Brestovitsa |
9 |
| Brestovitsa Mayor |
1 |
| Brestovitsa Mound |
8 |
| Brezhnev Doctrine |
1 |
| Brezovo |
2 |
| Brezovo Municipality |
1 |
| bribe |
2 |
| bribery |
2 |
| brick |
2 |
| brick tomb |
1 |
| bricks |
3 |
| bridal bit |
1 |
| bridge |
10 |
| Bridge of Friendship |
7 |
| Bridge of Time Archaeological Park |
1 |
| Bright Week |
1 |
| Britain |
17 |
| Britannia |
2 |
| Britannia sewing machine |
1 |
| British colonies |
1 |
| British Dominions |
1 |
| British Empire |
17 |
| British Isles |
1 |
| British Library |
1 |
| British Metropolitan Police Service – London |
2 |
| British Museum |
5 |
| British Prime Minister |
2 |
| British students |
1 |
| Brod |
1 |
| Brodilovo |
8 |
| bronze |
35 |
| Bronze Age |
76 |
| Bronze Age to Iron Age Transition |
2 |
| bronze applique |
2 |
| bronze coin |
3 |
| bronze coins |
38 |
| bronze cross |
7 |
| bronze lamp |
3 |
| bronze ring |
2 |
| bronze smelting |
1 |
| bronze stork |
1 |
