Danger area of neck is situated between
Buccopharyngeal and preveebral fascia
Pharyngobasilar and preveebral fascia
Preveebral and alar fascia
Buccopharyngeal and alar fascia
The space between Alar fascia & Preveebral fascia proper is called danger area as the infection or pus in this place can spread to posterior mediastinum.
Neck Triangles and parotid gland