This document provides an overview of the anatomy and lymphatic drainage of the neck region. It describes the boundaries and contents of the neck spaces, including the retropharyngeal, danger, prevertebral, and parapharyngeal spaces. It outlines the fascial layers of the neck and defines the anterior, posterior, and carotid triangles. Finally, it details the six levels of lymph nodes in the neck according to the Memorial Sloan Kettering classification system.