Simplify the following text for a Grade 9 native English-speaking person.
Original: SighiÅ oara is considered to be the most beautiful and well preserved inhabited citadel in Europe , with an authentic medieval architecture . In Eastern Europe , SighiÅ oara is one of the few fortified towns which are still inhabited .
Simplified: SighiÅ oara is a city and municipality in MureÅ County , Romania .