Level 1+ Haven (1-4)
Level 2+ The Hinterlands (4-7,8-12)
Agents: Ritts, Horsemaster Dennet, Enchanter Ellandra, Speaker Anais, Corporal Vale, Lord Berand, Tanner
Level 2+ Val Royeaux (4-6) (Main questline)
Agents: Barter by Belle
Level 5+ Storm Coast (7-11,13-15)
Agents: Blades of Hessarian
Level 8+ Fallow Mire (8-11,12-15)
Agents: Sky Watcher
Level 8+ Forbidden Oasis (8-12,5?-15,18-20)
Level 10+ Mage Questline or Templar Questline
Agents: Clemence and either Ser Barris or Alexius
Level 10+ Skyhold (Main questline)
Level 10+ Hissing Wastes (?-11,13?-23)
Level 10+ Crestwood (10-12,13-?) (Main questline)
Agents: Jana
Level 10+ Western Approach (10-12,13-14) (Main questline)
Agents: Servis, Frederick
Level 10+ Adamant Keep (?) (Main questline, one time visit)
Level 10+ The Raw Fade (?) (Main questline, one time visit)
Level 10+ Castle Caer Oswin (?-12) (Sub quest from Cassandra, one time visit)
Level 10+ Exalted Plains (?-11,13-16)
Agents: Loranil
Level 10+ Lost Temple of Dirthamen (?-11,15)
Level 12+ Emerald Graves (?-11,12-15,16-20) (The Dawn Rises sub quest)
Agents: Fairbanks
Level 12+ The Winter Palace (12-15) (Main questline, one time visit, recruit Florianne agent)
Agents: Florianne
Level 16+ Emprise du Lion (16-20,18-23?) (The Dawn Rises sub quest)
Agents: Michel de Chevin
Level 8+ Cradle of Seluvin (?-11,12-20,20-23)
Level 16+ Shrine of Dumat (16-19) (The Dawn Rises sub quest, one time visit)
Level 16+ The Arbor Wilds (16-19,20) (Main questline, one time visit)
Level 16+ Endgame (16-19)