Urban Redevelopment Authority (URA) has divided Singapore into three main regions: Core Central Region (CCR), Rest of Central Region (RCR) and Outside Central Region (OCR). These regions contain all 28 of Singapore districts.
Core Central Region (CCR): City, Downtown Core and Sentosa
The Core Central Region (CCR) includes the prime areas of Singapore (districts 9, 10 and 11),
the Downtown Core (including parts of Bugis, south of Ophir Road) and Sentosa.
CCR has the most high-end luxury properties in Singapore.
Not part of the CCR: Outram, Clarke Quay, Chinatown, Bencoolen and north of Ophir Road.