540 West Madison, formerly known as ABN AMRO Plaza, is an office building located in the West Loop area of Chicago, Illinois, United States. The building was built for ABN AMRO, parent company of Chicago financial institution LaSalle Bank. To the east sits Citicorp Center building and to the south, residential-complex of Presidential Towers. In the base of the building, there is a Starbucks Coffee and an restaurant bar, Mila One.