Season chicken with oregano, paprika, cumin, garlic powder, salt, and pepper.
Heat olive oil in a large pan and brown the chicken on both sides. Remove and set aside.
In the same pan, sauté onions until softened.
Add rice and stir to coat with oil and onions.
Mix chicken broth with remaining oregano and lemon zest and juice.
Pour broth mixture over rice and stir.
Place chicken on top, cover, and cook for 20 minutes until rice is tender and chicken is cooked through.
Prepare salad by chopping tomatoes, cucumber, onion, and feta.
Mix tzatziki ingredients until smooth.
Assemble the Easy Greek Chicken Rice Bowl with rice, chicken, salad, and tzatziki.
Garnish with parsley and serve with pita and lemon wedges.