The medial border of the scapula is at the medial end of the spine of the scapula. This border is also called the vertebral border.

The rhomboid major, rhomboid minor, and levator scapulae insert onto the medial border of the scapula. The serratus anterior inserts at the medical border as well.

The superior and medial borders of the scapula meet at the superior angle. This area is covered by the trapezius.

Proximal: Coracoid Process of the scapula

Distal: middle of the medial border of the humerous

You can describe them as medial to the scapula.