1. Heat 1 tablespoon oil in a large skillet over medium-high. Stir fry half the pork 7 to 8 minutes until browned. Place pork in a single layer on baking sheet.
2. Repeat with another 1 tablespoon oil and remaining pork slices. Place remaining pork in a single layer on baking sheet to cool quickly
3. Meanwhile, combine tomatoes, onion, pepperoncini slices, olives, remaining 1/4 cup olive oil, and vinegar. Stir in pork until well blended. Gently toss in feta.
4. To make wraps, spoon about 1 1/2 cups pork mixture on 1/2 of each tortilla. Roll each tortilla up, folding edges in as you go. Place seam side down and cut in half to serve.