FA 2022 pg 612 makes it seems like ATII acts directly on posterior pituitary to release ADH (which would be the differentiating specifier here between hypothalamus/thirst), but amboss states one of ADH’s regulators is “Angiotensin II: sensed by hypothalamic receptors” under https://next.amboss.com/us/article/AT0Rt2?q=adh#Zbf62754ce74881b6657f0771bc811fd7