- Who
- Yas Waterworld Abu Dhabi
- What
- 102 total number
- Where
- United Arab Emirates (Abu Dhabi)
- When
The most nationalities in a swimming pool is 102 and was achieved by Yas Waterworld Abu Dhabi (UAE) in Abu Dhabi, UAE, on 12 April 2019.
The attempt celebrated the year of tolerance in UAE.