Complex sentence: The Midtown Alliance defines a Greater Midtown area of approximately four square miles that, in addition to the city's definition, also includes the neighborhoods of Ansley Park, Sherwood Forest, Atlantic Station, Home Park, and Loring Heights.
Split into simpler sentences: The Midtown Alliance defines a larger, "Greater Midtown" area of approximately four square miles. It also includes the neighborhoods of Ansley Park, Sherwood Forest, Atlantic Station, Home Park, and Loring Heights.