West Bronx

The region lies west of the Bronx River and roughly corresponds to the western half of the borough.

[1][2] Physically, the western parts of the Bronx are hilly, underlain by Fordham gneiss and dominated by a series of parallel ridges running south to north.

The West Bronx has older tenement buildings, low-income public housing complexes, multifamily homes in its lower-income areas as well as larger single family homes in more affluent areas such as Riverdale.

The Grand Concourse, a wide ridgeline boulevard runs through the area from north to south.

Jerome Avenue was approximately the centerline of the original Annexed District, though not of the expanded modern Bronx.