[ Version ( since = "0.5.0" ) ]
public string neighborhood { get; set; }
This is used to disambiguate a street address when a city contains more than one street with the same name, or to specify a small place whose mail is routed through a larger postal town.
In China it could be a county or a minor city.
For more information, see the <ulink type="http" url="http://code.google.com/apis/gdata/docs/2.0/elements.html#gdStructuredPostalAddress">GData specification</ulink>.