Anders's Clinic in the north-eastern part of Kirkwall's Darktown serves as a home base for Anders in Dragon Age II. He can be found there for all his companion quests.
Quests 
Edit
Act 1 Edit
Act 2 Edit
Act 3 Edit
Check on Anders
Questioning Beliefs
The Lost Swords
Notable items Edit
Codex entry: History of Kirkwall: Chapter 4 in Act 1
Qunari Sword in a crate in Act 3