A common misconception holds that castles appear on Dublin's coat of arms. In fact, the city's heraldic emblem features three burning towers—a distinctive symbol with deep historical roots. These towers, often depicted with flames emerging from their battlements, represent the city's ancient gates or fortifications and their readiness to defend Dublin's citizens.
The design dates to the medieval period, evolving from earlier seals used by the city corporation. The burning towers symbolize vigilance, resilience, and the city's historic role as a defended stronghold. While Dublin Castle has played a central role in the city's history as a seat of British administration, it is not represented in the municipal arms.
This heraldic clarity matters: coats of arms are precise symbolic languages, and Dublin's three burning towers tell a specific story of civic identity distinct from the royal fortress that shares the city's name.