▁the ▁Landkreis ▁Cob urg . ▁Cob urg ▁lies ▁at ▁the ▁foot ▁of ▁the ▁Th uring ian ▁High land . ▁Cob urg , ▁Bav aria ▁was ▁part ▁of ▁West ▁Germany ▁until ▁reun ification ▁in ▁ 1 9 9 0 , ▁but ▁on ▁three ▁sides ▁it ▁borders ▁Th uring ia ▁which ▁was ▁East ▁Germany . ▁The ▁border ▁between ▁Bav aria ▁and ▁Th uring ia ▁was ▁also ▁the ▁inner ▁German ▁border . ▁ ▁Sub div isions ▁ ▁Cob urg ▁is ▁divided ▁into ▁ 1 5 ▁Stadt te ile : ▁ ▁Cob urg ▁( town ▁proper ) ▁Be iers dorf ▁Bert els dorf ▁Cort endorf ▁Cre id l itz ▁Gl end ▁K et sch endorf ▁Lö bel stein ▁L üt zel buch ▁Neu - ▁and ▁Ne ers hof ▁▁ ▁Rö gen ▁Sche uer feld ▁Se id mans dorf ▁W ü sten ah orn ▁ ▁History ▁ ▁Cob urg ▁was ▁first ▁mentioned ▁in ▁a ▁mon astic ▁document ▁dated ▁ 1 0 5 6 , ▁which ▁marked ▁the ▁transfer ▁of ▁ownership ▁to ▁the ▁Arch bishop - E lect or ▁of ▁C ologne , ▁although ▁there ▁was ▁a ▁settlement ▁at ▁the ▁site ▁that ▁pred ates ▁it ▁called ▁Tru fal ist at . ▁The ▁origin ▁of ▁the ▁name ▁Cob urg ▁is ▁unclear ; ▁the ▁first ▁element ▁may ▁be ▁k uh , ▁which ▁would ▁give ▁a ▁literal ▁meaning ▁of ▁" cow ▁bor ough ". ▁ ▁" C ob urg " ▁initially ▁referred ▁to ▁a ▁property ▁cent red ▁on ▁the ▁hill ▁where ▁V este ▁Cob urg ▁was ▁later ▁built . ▁Its ▁oldest ▁remains