Val ▁M üst air ▁Region ▁in ▁the ▁Swiss ▁canton ▁of ▁Gra ub ünd en . ▁It ▁was ▁formed ▁on ▁ 1 ▁January ▁ 2 0 0 9 ▁through ▁the ▁mer ger ▁of ▁Tsch ier v , ▁Ful der a , ▁Lü , ▁Val ch ava , ▁Santa ▁Maria ▁Val ▁M üst air ▁and ▁M üst air . ▁ ▁Dem ograph ics ▁Val ▁M üst air ▁has ▁a ▁population ▁( as ▁of ▁) ▁of ▁. ▁ ▁Geography ▁▁ ▁The ▁Val ▁M üst air ▁( G erman : ▁Mün st ert al , ▁) ▁is ▁a ▁mountain ▁valley ▁in ▁the ▁Swiss ▁Al ps . ▁It ▁connect s ▁the ▁Fu orn ▁Pass , ▁() ▁with ▁the ▁Italian ▁province ▁of ▁South ▁Ty rol ▁and ▁the ▁Vin sch g au ▁( ). ▁ ▁The ▁Bened ict ine ▁Con vent ▁of ▁Saint ▁John ▁at ▁M üst air ▁( mon aster y ), ▁a ▁World ▁Heritage ▁site , ▁was ▁probably ▁founded ▁by ▁Char lemagne , ▁sharing ▁history ▁with ▁its ▁neighbor , ▁the ▁Mar ien berg ▁Ab bey . ▁ ▁The ▁most ▁important ▁villages ▁in ▁the ▁Val ▁M üst air ▁are : ▁Tsch ier v ▁( ), ▁Val ch ava ▁( ), ▁Sta . ▁Maria ▁( ), ▁M üst air ▁() ▁( all ▁Swiss ) ▁and ▁T auf ers ▁im ▁Mün st ert al ▁in ▁South ▁Ty rol . ▁There ▁are ▁no ▁other ▁inhab ited ▁connected ▁valle ys , ▁but ▁the ▁road ▁over ▁the ▁Um bra il ▁Pass ▁( and ▁the ▁St el v io ▁Pass ) ▁is ▁connected ▁with ▁Sta