Click Portfolio.

Go to the Locations section and click Location Hierarchy.

Locate and open the Building record from the Hierarchy.

Locate and open the Floor record. 

Locate and open the Space or Room record.

In the Space or Room record, General tab, locate the Occupancy Allocations section.

The name or abbreviation of the functional activity or organizational unit to which a room or space is assigned and which is actually occupying or using the space or scheduled to do so.

Occupancy refers to the actual department occupying the space; Assignment refers to the department who is responsible for the space

Organization will display based on selected value from Occupany list.