Qa`la Bost
fort · 540 BC – 2100 AD
Qa`la Bost is an ancient fortress within the ancient city of Bust, located on the Helmand River in southern Afghanistan and overseeing a major crossroads linking Kandahar and India to eastern Iran. Standing remains at the site predominantly date to the Islamic Middle Ages, but archaeological finds suggest an occupational history dating back to at least the first millennium BCE.

- Coordinates
- 31.50250, 64.35662
- Also known as
- Qa`la Bust (en), Qa`la Bust,Qa`la Bost,Qa`la Bist,Qa`la Bast,Qalah Bust,Qalah Bost,Qalah Bist,Qalah Bast,Kalah Bust,Kalah Bist,Kalah Bost,Kalah Bast,Qalah-e Bust,Qalah-e Bost,Qalah-e Bist,Qalah-e Bast (en), Qa`la Bust,Qalah-e-Bost,Qalai Bust,Qa`la Bist,Qa`la Bast,Qalah Bost,Qalah Bust,Qalah Bist,Qalah Bast,Bust,Bist,Bast,Bost (fa), قلعه بسټ (fa)
- Dating
- attested
Sources
- Pleiades: A Gazetteer of Past Places · CC BY 3.0Pleiades: A Gazetteer of Past Places (CC BY 3.0)
- Wikidata · CC0 1.0Wikidata (CC0)