Here in the link you can see for each label of origin they list which varities of olives are more common: http://www.worldsofflavorspain.com/node/385 http://ww

Here in the link you can see for each label of origin they list which varities of olives are more common: http://www.worldsofflavorspain.com/node/385 http://www.worldsofflavorspain.com/node/385 (arbequina is a most common variety and more spicy in the aftertaste, but as you can see, like with wine, different varieties produce so different results that talking in generics is rather uneducated).