Rank #86
Total number of UNESCO World Heritage Cities Marine Sites: 0 (2019)
This description is about the total number of UNESCO World Heritage Cities Marine Sites as of 2019. The number is 0, meaning there are currently no UNESCO World Heritage Cities Marine Sites.
From Wikipedia
World Heritage Sites are landmarks and areas with legal protection under an international treaty administered by UNESCO for having cultural, historical, or scientific significance. The sites are judged to contain "cultural and natural heritage around the world considered to be of outstanding value to humanity".