Simplify the following text for a Grade 6 native English-speaking person.
Original: Yffiniac ( , Gallo : Finyac ) is a commune in the CÃ tes-d ` Armor department of Brittany in north-western France .
Simplified: Yffiniac is a commune . It is found in the region Bretagne in the CÃ tes-d ` Armor department in the west of France .