Simplify the following text for a Grade 9 native English-speaking person.
Original: The Deir el Qamar Synagogue , located in Deir el Qamar , a village in south-central Lebanon , is the oldest synagogue in Mount Lebanon .
Simplified: The Deir el Qamar Synagogue is a synagogue in Deir el Qamar , Lebanon ; it is the oldest synagogue in Mount Lebanon .