In a mixing bowl, coat chicken pieces with olive oil then add Greek seasoning, herbs and garlic.
Place in Pyrex cooking dish (or roasting pan) and cover chicken with sliced peppers & onions.
Add water to the pan and cover with foil.
Bake in oven for 30 minutes. at 350 degrees.
Then uncover and bake for an additional 15-20 minutes (or when Chicken reaches 165 internal temp.)