Step 1 : Introduction to the question "Which is the world's largest producer of olive oil?"
...Spain produces approximately 75 percent of the world's olive oil each year. Spain's olive production belt stretches across eight different provinces within the country's Andalucian region. Italy comes in second in the production of the world's olive oil. It produces and exports more than 80 brands worldwide. Greece rounds out the top three of the world's olive oil producers, but could move up in the list in the years to come. Its olive oil production is growing rapidly. Source: CountryDetail.com