Det Gratpoolen Prowins (üüb Poolsk: Województwo Wielkopolskie [vɔjɛˈvut͡stfɔ vjɛlkɔˈpɔlskʲɛ]) as ian faan a prowinsen uun Poolen. At prowins leit uun a waast faan't lun. Det hee 3.498.733 lidj (2019)[1]. At hoodsteed faan't prowins as Posen.