Tanah Merah, is a geographical region located along the south-eastern coast of the East Region of Singapore. Although its boundaries are not exactly clear, it is widely accepted that the term refers to the southern coast of present-day Bedok, Tampines, Changi and Changi Bay.

Bedok is a planning area and residential town located in the geographical region of Tanah Merah along the south-eastern coast of the East Region of Singapore. Bedok is bounded by five other planning areas: Paya Lebar to the north, Hougang to the northwest, Tampines to the northeast and east, Geylang to the west and Marine Parade to the southwest. It also shares a maritime boundary with the Singapore Strait to the south and southeast.