The collection of maps in the document.
[Visual Basic .NET] Public ReadOnly Property Maps As IMaps
[C#] public IMaps Maps {get;}
Product Availability
Available with ArcGIS Desktop.
Remarks
The map document has a collection of Map objects which are accessible through this property. The reference IMaps is typically used to add and delete maps from the collection.
See the FocusMap property on this interface for accessing just the one map with focus.