Olive trees are all over Croatia. Did you know that they are harvested for the first time after 15 years? Considering that, they can be fruitful for anywhere from 300-600 years, but the oldest is nearly 5,000 years old! Alibaba.com is a great source for olive oil import / export companies. Greek olive oil is especially popular, although Turkey, Spain, Italy, and Morocco are also excellent markets to import olive oil from.
Here I am with an olive tree just over the Croatian border