- A Fortified City with Fusion Architecture: Galle Fort stands as the best example of a fortified city in South Asia showcasing a unique blend of European architectural styles and South Asian traditions developed between the 16th and 19th centuries.
- Resilience Against Natural Disaster: Remarkably, the fort withstood the devastating 2004 Boxing Day tsunami, highlighting its strong structure and subsequent successful restoration efforts.
- Historic Urban Ensemble: The fort’s well-preserved urban layout, featuring a rectangular grid of streets and Dutch colonial-style houses, illustrates European town planning adapted to the local context.
- Functioning 17th-Century Underground Drainage System: The fort boasts an original underground drainage system, built by the Dutch in the 17th century and still in use today, uniquely flushed by tidal seawater.
- Bastions Reflecting Dutch Fortification Engineering: The fort features 14 distinct bastions, constructed with coral and granite, showcasing the advanced fortification engineering knowledge of the Dutch adapted to the South Asian terrain.
