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Eunuch former slave soldiers who fight for Daenerys Targaryen as free men.
Mercenary company lead by Daario Naharis fighting for Daenerys Targaryen.
"Magic" people who can multiply themselves from Qarth (stole Daenerys dragons and took them to the House of the Undying)
Scientist/ healers from Oldtown. They wear chains and gray robes and are assigned to all main castles.
Oberyn Martells bastard daughters (as a whole).
Religious extremists of the Faith of the Seven, known for carving the Seven Pointed Star on their foreheads.
Outlaw group hated by Tywin Lannister and constantly pursued by The Mountain, known for pillaging scouting parties of all houses.
Brotherhood Without Banners
Mysterious non-human race that were reportedly the original inhabitants of the continent of Westeros. Currently only live far beyond The Wall.
Children of the Forest
Original human inhabitants of Westeros, the Starks and the Wildlings are descendants .
I am the sword in the darkness. I am the watcher on the walls. I am the fire that burns against the cold, the light that brings the dawn, the horn that wakes the sleepers, the shield that guards the realms of men.
A race of men who invaded Westeros six thousand years prior to the events of the series. In the present day, they are the dominant ethnic and cultural group in the continent.
Non Human race from beyond the wall, killed only by Valyrian Steel, Dragonglass and fire.
About twice as large as a very tall human, this non-human race considered to be a legend by the inhabitants of the Seven Kingdoms south of the Wall. However, they do actually exist in the furthest north beyond the Wall,
An elite group of seven knights, supposedly the greatest and most skilled warriors in all of Westeros, who serve as the royal bodyguard.
Reanimated corpses, either human or animal, raised from death to act as minions.
An Assassins Guild based in Braavos who serve the Many Faced God.
The Faceless Men
The group of people who advise the King of the Seven Kingdoms and institutes policy at his command.
The general term for the free people that live north of The Wall.
A law-enforcement institution charged with acting as the policemen of King's Landing. They are informally known as "Gold Cloaks" due to the gold-colored cloaks their members wear as part of their uniform
Rebel group of Mereen who is against the anti slavery rules put in place by Daenarys Targaryen.
Sons of the Harpy
They are one of the largest and most skilled sellsword companies in the Free Cities, consisting of 10,000 well-trained soldiers at the time of the War of the Five Kings. They have the reputation of never breaking a contract, which is quite uncommon among mercenary organizations. Ser Jorah Mormont was a former member before swearing his sword to Viserys Targaryen.