There are many versions of this and everyone has their own idea of what it should include.
The two essential ingredients are, however, olives and feta cheese.
For the salad
100g feta cheese, cubed (check to make sure it is vegetarian)
12 black pitted olives
6 small tomatoes, halved
12 slices of cucumber
handful of shredded lettuce
For the dressing
2tbsp olive oil
1tbsp red wine vinegar
chopped fresh herbs
Mix the cucumber, lettuce and tomato in a bowl.
Then scatter over the olives and cheese.
Mix the oil with the vinegar and add the herbs. Season and stir well. Then drizzle over the top of the salad.