List of side quests by region:
Another Sword
Break the Curse
Suspicious Behavior
Sending the Signal
Arcane Secrets
Escaping the Past
Noise from the Well
A Wounded Warrior
Trouble at the Bridge
Almost Dinner
A Giant Dilemma
Love Lost
Rest in Peace
Ravenous Wolves
X Hijacked Supplies
The Call of the Woods
X Fighting Former Allies
X Reunion
Beast in the Woods
X The Reckless Scout
X The Maddened
X Lunar Lupis
Young Hunter
X Kidnapped Patrol
X Demonic Ritual
X Tough Vines
Beheaded
X Imprisoned
Animating Purpose
Crumbling Foundations
The Knowledge-eaters
Tides of Sand
Fate of the Eradicators
Stonebelly's Cure
Thieves of Comrades
What Skulks Below
Purity of Form
In Search of Strength
The Perfect Assistant
X Lord of Terroir
X Two Dupes
X Long Way Home
X Broken Compass
X Toothless William Thorpe
X Let Us In
Foregone Dreams
Endless Strife
X Spoiled Bait
X The Leftovers
The Hermit's Grave
X No Pain
The Cleanse
X A Season of Charity
X Night Auction
X Loyalty in Question
X Desert Vintage
X Tomb Robber
X Unholy Ascension
Liars and Greed
X No Place for Children
Smelted Iron
X The Enemy of My Enemy
X Specialty Trading
The Origin
X A Journey to the Past
X External Investigation
X A Teacher, A Father
X Scepter of Desire
X To Tabri
X Mastery and Nothingness
X Private Nightmares
X Vigil for the Khazra
X Controlled Burn
X Shadows Are Broken Light
X Your Money or Your Life
X The Bond
X Carnivore's Dilemma
More Than Love
Lost Lives
Tomb of the Word
Passing the Torch
X Hordes of Horror
Faith's Banner
X Free the Damned
X Waiting Doom
X The Hellfire Core
X Damnation's Chosen
Toll of Flames
X Visitor From Afar
X One Right Choice
X All Who Succumb
Blood Lure
X Momentary Lapses
Horn of Harmony
Dead Eyes
X Whispering Bones
X Locally Sourced
X Hellstorm
Present Pains
Frozen Nightmare
Restless Battle
Heart of the Storm
Arrival and Departure
In Direst Need
Icebreaker
Overgrowth
Back to the Roots
Supplemental Warmth
Unusual Cold
Chilling Bombardment