Simplify the following text for a Grade 6 native English-speaking person.
Original: RuillÃ - sur-Loir is a commune in the Sarthe department in the Pays de la Loire region in north-western France .
Simplified: RuillÃ - sur-Loir is a commune . It is found in the region Pays de la Loire in the Sarthe department in the west of France .