Complex sentence: As an unincorporated area, White Oak's boundaries are not officially defined and, as such, many of its residents consider themselves to be residents of the "White Oak neighborhood" of Silver Spring, similar to how large cities have different neighborhoods within their borders.
Split into simpler sentences: As an unincorporated area, White Oak's boundaries are not officially defined. Many of its residents consider themselves to be residents of the White Oak neighborhood of Silver Spring, similar to how large cities have different neighborhoods within their borders.