Mediterranean cuisine is some of my favorite, since I love stuff like pita and hummus.
Its so good! it was started by the people of the  Mediterranean Basin region, especially those of Southern Europe.
That's cool, what does a lot of Mediterranean cuisine consist of?
Well there are three core elements the olive, wheat and the grape
That makes sense, they seem to love their wine and their olive oil over there.
O yeah! But because of the location they also love to implement  lamb, mutton, and other local ingredients into the cuisine 
Must be why they love gyro meat over there, since a lot of the time it is made of largely lamb.
of the region's foods and deny that it is a useful concept. The geographical area covered broadly follows the distribution of the olive tree, as noted by David and Essid. 
The region spans a wide variety of cultures with distinct cuisines, in particular (going anticlockwise around the region) the Maghrebi, Egyptian, Levantine, Ottoman (Turkish), Greek, Italian, Provençal (French), and Spanish. However, the historical connections of the region, as well as the impact of the Mediterranean Sea on the
Mediterranean cuisine
Mediterranean cuisine is the foods and methods of preparation by people of the Mediterranean Basin region. The idea of a Mediterranean cuisine originates with the cookery writer Elizabeth David's book, "A Book of Mediterranean Food" (1950), though she wrote mainly about French cuisine. She and other writers including the Tunisian historian Mohamed Yassine Essid define the three core elements of the cuisine as the olive, wheat, and the grape, yielding olive oil, bread and pasta, and wine; other writers emphasize the diversity