Heptapyrgion (disambiguation)
Heptapyrgion (Eptapyrgio, Greek Επταπύργιο , Turkish : Yedi Kule or Yedikule, seven towers)
- the Yedikule fortress in the Theodosian Land Wall in Constantinople , today's Istanbul ,
- the fortress of Heptapyrgion (Yedi Kule) in the Acropolis of Thessaloniki .