Answer: Hypothalamus
Explanation:
The Hypothalamus is the main coordinating and control center for the autonomic nervous system. it plays important role in homeostasis, and is FOUND JUST BELOW the Thalamus.
Also, it controls the secretion of hormones from the pituitary gland.
The Hypothalamus, alongside Thalamus, olfactory lobes and Cerebrum make up the FORE-BRAIN.