noun
new address; place to settle down
Refers to the place where someone ends up living after moving, often used when the final destination is not yet fixed or when reporting a change of residence.
引っ越しの落ち着き先が決まったら連絡します。
I'll let you know once I've decided where I'm moving to.
彼の落ち着き先
I still don't know where he'll end up living.