Preheat the oven to 425.
Brush olive oil on the flatbread.
Layer on thinly sliced gyro meat, diced tomatoes, slivered red onions, and crumbled feta cheese.
Bake for 8-10 minutes or until the cheese takes on some color.
Transfer the pizza to a serving tray and add diced cucumbers, diced tomatoes, dollops of tzatziki sauce, and spinkle with mint leaves.
