Greek oregano, O. vulgare ssp. hirtum, is a bit more pungent than its Italian counterpart.  But this culinary oregano is a standout for seasoning all types of Mediterranean cuisine.
Happily, this fast-growing, mounding plant grows about two feet tall and wide, rapidly multiplying via underground runners. It will produce plenty of soft, hairy leaves to cook with and dry for later use.
You can grow it as part of a kitchen garden or in a window box, but dont overlook the option to grow Greek oregano as an herbal ground cover, even in chillier areas.
It will tolerate both poor soil and drought, just as long as you grow it in full sun and well-draining soil.