Simplify the following text for a Grade 5 native English-speaking person.
Original: The Yas Marina Circuit is located on Yas Island -- a 2550 h island on the east coast of Abu Dhabi -- and the 2009 Abu Dhabi Grand Prix was the first major event to take place on the circuit .
Simplified: Yas Island is a 2550 h island on the east coast of Abu Dhabi . The 2009 Abu Dhabi Grand Prix was the first major event to take place on the circuit .