Final answer:
The vastus intermedius is located in the anterior thigh compartment, between the vastus lateralis and vastus medialis muscles.
Step-by-step explanation:
The vastus intermedius is located in the anterior thigh compartment, deep to the rectus femoris muscle. It is positioned between the vastus lateralis and vastus medialis muscles. The vastus lateralis is on the lateral aspect of the thigh, while the vastus medialis is on the medial aspect.