Revit Architecture
Revit MEP
Revit Structure
(Area Plan). 
Room & Area panel
Area drop-down
(Area Plan) 
Room & Area panel
Area drop-down
(Area Plan) 
Create panel
Plan Views drop-down
(Area Plan) If you select more than one level, Revit creates a separate area plan for each level and groups them by area scheme in the Project Browser.
To create copies of existing area plan views, clear Do not duplicate existing views.
Revit prompts you to automatically create area boundary lines associated with all external walls. See Area Boundaries.