Question: what are the best olives in the world?
Answer: Castelvetrano, an Italian olive, said to be the country's favorite snacking olive. ... 
Manzanilla or in Spanish “little apple.” Eaten green or black. ... 
Beldi is the Moroccan olive dry-cured in salt. ... 
Gordal often called “jumbo olives.” Gordals come from Sevillia, Spain, and are cured while green. ... 
Picholine.