Simplify the following text for a Grade 5 native English-speaking person.
Original: LoudÃ ac ( , Gallo : Loudia ) is a commune in the CÃ tes-d ` Armor department in Brittany in north-western France .
Simplified: LoudÃ ac is a commune . It is found in the region Bretagne in the CÃ tes-d ` Armor department in the west of France .