The place or address you move to; the destination of a move (new residence).
新しい引っ越し先は駅から近い。
The new place I'm moving to is close to the station.
引っ越し先が決まったら、転入届を出さないといけない。
Once you've decided on your new address, you have to submit a moving-in notification.
彼女は引っ越し先で隣人とすぐに仲良くなった。
She quickly became friendly with her neighbors at her new place.