| Attica |
6 |
| Attila the Hun |
13 |
| Attis |
1 |
| Attu |
1 |
| auction |
7 |
| auction house |
1 |
| Auge |
2 |
| Augen fibulae |
1 |
| Augusta |
2 |
| Augusta Raurica |
1 |
| Augusta Traiana |
20 |
| Augusta Traiana - Vereia Archaeological Preserve |
20 |
| Augusta Treverorum |
1 |
| aul |
2 |
| Aula (Grand Hall) |
1 |
| Aurignacian Culture |
1 |
| aurochs |
7 |
| Auschwitz-Birkenau Holocaust Camp |
1 |
| Australia |
16 |
| Australian Institute of Marine Science (AIMS) |
1 |
| Australopithecus afarensis |
1 |
| Austria |
16 |
| Austria-Hungary |
23 |
| Austrian Empire |
9 |
| Austro-Turkish Wars |
3 |
| Avar Khaganate |
3 |
| Avars |
44 |
| Avren |
2 |
| Avren Municipality |
2 |
| awakeners |
1 |
| awl |
4 |
| ax |
16 |
| ax hammer |
1 |
| Axel von Berg |
1 |
| axis |
1 |
| Axis Powers |
3 |
| ayazmo |
8 |
| Aytos |
4 |
| Aytos Municipality |
4 |
| Azerbaijan |
10 |
| Azerbaijan President |
8 |
| Azmaca |
5 |
| Azmashka Settlement Mound |
2 |
| azure |
1 |
| azurite |
1 |
| B-24 Liberator bomber |
1 |
| Baba Tonka Obretenova |
3 |
| Baba Vanga |
3 |
| Baba Vida Castle |
18 |
| Baba Vida Fortress |
20 |
| baby animals |
1 |
| Baby Jesus |
3 |
| Babyashka Mogila Mound |
1 |
| Babylon |
2 |
| bacchanalia |
1 |
| bacchanals |
1 |
| bacchantes |
1 |
| bacchantes (maenads) |
1 |
| Bacchus |
2 |
| Bachkovo Monastery |
18 |
| Bacho Kiro Cave |
5 |
| Bacho Kiro Petrov |
1 |
| Bacho Kirov Petrov |
1 |
| backgammon |
3 |
| Background Infonotes |
1 |
| Bactrian camel |
1 |
| Badechka River |
1 |
| bagaturs |
5 |
| Baghdad |
3 |
| Bahá'í |
1 |
| Baktun |
1 |
| Baku |
1 |
| Balaklava |
1 |
| Balchik |
13 |
| Balchik Botanical Garden |
1 |
| Balchik Mayor |
1 |
| Balchik Municipality |
3 |
| Balchik Museum of History |
2 |
| Balchik Palace |
7 |
| Baldwin of Flanders |
6 |
| Baldwin's Tower |
11 |
| Baley |
8 |
| Baley necropolis |
1 |
| Baley settlement |
1 |
| Balik (town) |
4 |
| Balik Rock Monastery |
2 |
| Balin |
1 |
| Balkan Front |
1 |
| Balkan Heritage Foundation |
2 |
| Balkan Mountains |
20 |
| Balkan Peninsula |
6 |
| Balkan Stream natural gas pipeline |
2 |
| Balkan Wars |
8 |
| Balkanets |
1 |
| Balkans |
4 |
| Balkars |
1 |
| ballista |
1 |
| balsamarium |
1 |
| Baltic islands |
1 |
| Baltic Sea |
2 |
