Olives are typically grown in the Mediterranean, with its hot dry summers and cool winters it is the ideal habitat of the olive tree. Italian extra virgin olive oil expecially is something that people along the Mediterranean, as well as gourmets everywhere, have known for a long time.
There are quite many differences between Italian extra virgin olive oil and extra virgin olive oils that come from other countries and those who have ever tried italian olive oil will never go back!
In general italian virgin olive oil is labelled in a way that you can trace exactly where the oil has come from. The bottle of olive oil and tin can be numbered and this enables the buyer to identify from which trees the olive oil of each individual container came from.