5 - Cambridgeport
Cambridgeport is a diverse 0.5 square mile neighborhood located in the southern end of Cambridge adjacent to the Charles River and is bounded by River Street, Massachusetts Avenue, and the Grand Junction rail line.
8 - Baldwin
Baldwin is a small, moderate-density residential neighborhood stretching from Harvard Square to Porter Square and to the Cambridge/Somerville border to the east. While it is predominantly residential, it also contains large portions of the Harvard University and Lesley University campuses.
9 - Neighborhood Nine
Neighborhood Nine is a moderate-density residential neighborhood with around twelve thousand residents, ranging from Harvard Square to Porter Square in the east and bordered by Concord Avenue the commuter rail tracks.