"Localities and Regions" refer to cluster areas, (or designated parks) that include similar attractions and/or cities within relative proximity.
"Paris","Champs Elysees", nearby Versailles are counted as 1 entry, "Paris",
"Sierra Nevada" is a term inclusive of Tahoe,Yosemite, etc.,
"Andalusia" includes Malaga,Granada,Córdoba, Sevilla,etc.
"Ontario" refers to Toronto, Niagara Falls, Ottawa, etc.
Also note "Metro" areas (ie New York, Beijing, Shanghai, San Francisco, Mexico City etc.)
The list is a rough index of some of my travels, NatGeo's Instagram feed, stuff on Google Travel, Trip Advisor, magazines and trending photos on IG. Enjoy!