In a large bowl, combine the chopped tomatoes, diced cucumber, chopped bell pepper, and finely chopped red onion.
Sprinkle the crumbled feta cheese over the top of the vegetable mixture.
Add the chopped parsley and basil (if using).
In a small bowl, whisk together the olive oil, red wine vinegar (or lemon juice), salt, black pepper, and dried oregano (if using).
Pour the dressing over the salad and toss gently to combine all ingredients.
Enjoy your meal!