Simplify the following text for a Grade 6 native English-speaking person.
Original: Saint-Fraimbault-de-Pri Ã res is a commune in the Mayenne department in north-western France .
Simplified: Saint-Fraimbault-de-Pri Ã res is a commune of 904 people ( 1999 ) . It is found in the Pays de la Loire region in the Mayenne department in the northwest of France .