citadel

A citadel is a fortified stronghold, typically located within or overlooking a city, designed to protect inhabitants and serve as a last line of defense.

Observed surface forms (4)

• fortress complex ×4
• fortified citadel ×1
• kremlin ×1
• stronghold ×1

Instances (9)

• Cairo Citadel
• Imperial Citadel of Thăng Long is a UNESCO World Heritage Site via concept surface "fortress complex"
  surface form: Imperial Citadel of Thăng Long
• Nuremberg Castle via concept surface "fortress complex"
• Kasbah of the Udayas via concept surface "fortified citadel"
• Citadel of the Time Lords via concept surface "stronghold"
• Citadel of Damascus
• Fortress of Palamidi
• Kolomna Kremlin via concept surface "kremlin"
• Kaunas Fortress via concept surface "fortress complex"