Wash all vegetables thoroughly.

Halve the cherry tomatoes and place them in a large mixing bowl.

Dice the cucumber and add it to the bowl.

Dice the bell pepper and toss it into the bowl.

Thinly slice the red onion and add it to the bowl.

Crumble the feta cheese over the top of the salad.

In a small bowl, whisk together the olive oil, red wine vinegar, oregano, salt, and pepper.

Pour the dressing over the salad and toss gently to combine.

Serve immediately for the freshest taste.