Nucleus of oculomotor nerve is in
The oculomotor nucleus is located in the central grey matter of midbrain at the level of superior colliculus. The oculomotor nucleus is in the ventromedial pa. The Edinger - Westphal nucleus (visceral oculomotor nucleus) is located dorsal to the rostral two-thirds of main oculomotor nucleus. (Ref: Vishram Singh textbook of clinical neuroanatomy, second edition pg-85)
Midbrain
Pons
Medulla
Thalamus
Brain 