The areas of the Group Representation Constituency consists of locations such as East Coast Park, Bedok, Changi, Simei, Siglap, Tampines, Pasir Ris, Chai Chee, Changi Airport.
The five divisions: Bedok, Siglap, Fengshan, Changi-Simei and Kampong Chai Chee managed by East Coast Town Council.
A large portion of the Kaki Bukit division and 60% of Kampong Chai Chee was transferred from East Coast GRC to Marine Parade GRC and saw the removal of Chew Heng Ching, Tan Soo Khoon and Lee Yock Suan due to the advanced age in 2006, followed by S Jayakumar and Abdullah Tarmugi in 2011.
In October 2015, Lee Yi Shyan stepped down from his ministerial post after suffering from a mini stroke in May 2015.
Prior to the 2020 general election, Lee Yi Shyan and Lim Swee Say retired from politics.