Answer:
1.Magnocellular neurons of hypothalamus
2.posterior pituitary
Explanation: ADH is antidiuretic hormone it is found in the hypothalamus part of the brain and transported to the pituitary gland where it is stored.
It reduces the amount of fluid loss in the body and regulates blood pressure through its action on the kidney. When Antidiuretic hormone concentration is high it causes blood vessels to shrink there by leading increase in blood pressure.