_ContactItem.BusinessAddressCity Property
Office 2010
Returns or sets a String (string in C#) representing the city name portion of the business address for the contact. Read/write.
Assembly: Microsoft.Office.Interop.Outlook (in Microsoft.Office.Interop.Outlook.dll)
This property is parsed from the BusinessAddress property, but may be changed or entered independently should it be parsed incorrectly. Note that any such changes or entries to this property will be overwritten by any subsequent changes or entries to the BusinessAddress property.