Simplify the following text for a Grade 9 native English-speaking person.
Original: It is a common belief that IaÅ i is built on seven hills ( coline in Romanian ) : CetÄ Å # uia , Galata , Copou-Aurora , Bucium-P Ä un , Å orogari , Repedea and Breazu , thus triggering comparisons with Rome .
Simplified: People have thought that IaÅ i was built on seven hills ( CetÄ Å # uia , Galata , Copou-Aurora , Bucium-P Ä un , Å orogari , Repedea and Breazu in Romanian ) .