Meredith's Apartment is a place where Meredith lived. It was first seen in All My Children, when Alaric stayed there after getting hit by Klaus.
In All My Children, Meredith brought Alaric here after Klaus knocked him out when he daggered Kol.
In 1912, Elena and Matt were looking for proof that Meredith was the Serial Killer. While looking for proof, Elena successfully finds a box filled with people's files, including Brian Walters, Bill Forbes and Alaric Saltzman. They also find Samantha Gilbert's diary there.
In I'll Remember it is revealed by Alaric that Meredith married and moved to Alaska. Meaning, this apartment is either occupied by another resident and/or residents or currently vacant.
- Season 3