Simplify the following text for a Grade 7 native English-speaking person.
Original: Namur ( Dutch : , Nameur in Walloon ) is a city and municipality in Wallonia , in southern Belgium .
Simplified: Namur ( NameÃ '' r in walloon , Namen in Dutch ) is a city in Belgium . It is both the capital of the province with the same name , as well as of Wallonia , one of the three administrative regions of Belgium .