▁I bben bü ren ▁to ▁the ▁M elle ▁Hills ▁north ▁of ▁M elle , ▁behind ▁which ▁is ▁their ▁south - e astern ▁continu ation , ▁the ▁Rav ens berg ▁Hills . ▁ ▁The ▁Os nab r ück ▁U pl ands ▁form ▁the ▁heart ▁of ▁the ▁cultural ▁region ▁of ▁Os nab r ück ▁Land . ▁The ▁un pop ulated ▁areas ▁of ▁the ▁region , ▁which ▁covers ▁ 7 4 8 . 5   km ², ▁are ▁a ▁central ▁part ▁of ▁the ▁T ER RA . v ita ▁Nature ▁and ▁Ge op ark . ▁ ▁Natural ▁regions ▁ ▁The ▁Os nab r ück ▁U pl ands ▁are ▁divided ▁from ▁north ▁( west ▁to ▁east ) ▁to ▁south ▁( west ▁to ▁east ) ▁as ▁follows : ▁( to ▁Lower ▁Sax on ▁Hills ) ▁ 5 3 5 ▁Os nab r ück ▁U pl ands ▁( Os nab r ück er ▁H üg ell and ) ▁ 5 3 5 . 2 ▁Ach mer ▁For eland ▁( A ch mer ▁Vor land ) ▁( western ▁north ) ▁ 5 3 5 . 2 0 ▁Ne uen kir chen ▁Pl ate au ▁( Ne uen kir ch ener ▁Pl atte ) ▁( western ▁north ) ▁ 5 3 5 . 2 1 ▁Ge hn ▁( e astern ▁north ) ▁ 5 3 5 . 2 2 ▁V inter ▁Low lands ▁( V inter ▁Nieder ungen ) ▁( central ▁north ) ▁ 5 3 5 . 2 3 ▁W allen bro ck ▁Low lands ▁( W allen bro cker