Gazetteer of the Four Quadrants

Every place on the Stellar Cartography map, grouped by quadrant, with the series and films it appears in. Plot twists are left out.

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Alpha Quadrant

The quarter of the galaxy that holds most of the Federation, along with the Cardassian Union, the Ferengi Alliance and Bajor. Earth sits on its border with the Beta Quadrant.

Andoria

Species homeworld

An icy moon of a ringed gas giant, homeworld of the blue-skinned, antennaed Andorians and the pale Aenar, who live in cities beneath its frozen surface. Long rivals of the Vulcans, the Andorians became founding members of the Federation.

Appears in: Enterprise

Ba'ku

Planet · In the Briar Patch

A peaceful world in the Briar Patch whose rings give off metaphasic radiation that keeps its 600 Ba'ku settlers young.

Appears in: Star Trek: Insurrection

The Badlands

Spatial anomaly

A region of violent plasma storms near the Cardassian border, where the Maquis hide their ships. Voyager vanishes there in 2371 while chasing a Maquis raider.

Appears in: Deep Space Nine; Voyager

Bajor

Species homeworld

Homeworld of the deeply spiritual Bajorans, occupied by the Cardassians for about fifty years until 2369. They worship the Prophets, who live in the nearby wormhole, and call Benjamin Sisko their Emissary.

Appears in: Deep Space Nine; The Next Generation

Bajoran wormhole

Spatial anomaly

The only known stable wormhole, found in 2369. It links the Bajoran system to the Idran system 70,000 light years away in the Gamma Quadrant, and the beings who live inside it, outside linear time, are the Bajorans' Prophets.

Appears in: Deep Space Nine

Betazed

Species homeworld

Homeworld of the telepathic Betazoids, among them Counselor Deanna Troi and her mother, Lwaxana.

Appears in: The Next Generation; Deep Space Nine (mentioned)

Cardassia Prime

Capital world

Capital of the Cardassian Union, a world poor in resources whose military state and its Obsidian Order expanded by conquering their neighbours, Bajor among them.

Appears in: Deep Space Nine

Cardassian Union

Territory

A military state ruled from Cardassia Prime, which occupied Bajor and fought a long border war with the Federation before joining the Dominion in 2373.

Cestus III

Planet

A Federation outpost on the edge of Gorn space, wiped out by the Gorn in 2267. Kirk chases the raiders until the Metrons stop both ships and make him fight the Gorn captain hand to hand.

Appears in: Arena

Ceti Alpha V

Planet

A harsh, untamed world where Kirk leaves Khan Noonien Singh and his followers to make a life for themselves.

Appears in: Space Seed; The Wrath of Khan

Chin'toka

Battle site

A Cardassian system guarded by orbital weapon platforms, fought over in the Dominion War.

Appears in: Deep Space Nine

Deep Space 9

Space station · Formerly Terok Nor

A station built by Bajoran slave labour during the occupation to refine uridium ore, which Starfleet runs with the Bajorans from 2369. Moved to the mouth of the newly found Bajoran wormhole, it becomes the gateway to the Gamma Quadrant and a front line of the Dominion War.

Appears in: Deep Space Nine; Lower Decks

Deneb IV

Planet · Farpoint Station

Home of Farpoint Station, a remarkably convenient base that the Bandi offer to the Federation, and the first mission of Picard's Enterprise-D.

Appears in: Encounter at Farpoint

Earth

Capital world · Sector 001

Homeworld of humanity and seat of the United Federation of Planets, founded in San Francisco in 2161. Starfleet Headquarters and Starfleet Academy stand beside the Golden Gate, and the Federation President has an office in Paris.

Appears in: Every series and most of the films

Ferenginar

Capital world

Capital of the Ferengi Alliance, a world where it almost never stops raining. The Grand Nagus presides over a society built on profit and the Rules of Acquisition.

Appears in: Deep Space Nine

Genesis planet

Planet · In the Mutara Nebula

A brand-new world born in the Mutara Nebula from the Genesis Device, which Carol Marcus and her son David built to bring life to lifeless planets.

Appears in: The Wrath of Khan; The Search for Spock

Risa

Planet

A tropical pleasure planet kept warm and sunny by a weather control system. Starfleet crews take their shore leave there, and a horga'hn on display means its owner is looking for jamaharon.

Appears in: Enterprise; The Next Generation; Deep Space Nine

Talos IV

Planet

A barren world whose big-brained Talosians live underground and can make anyone see whatever they wish. After Captain Pike's visit, Starfleet's General Order 7 forbids any contact with it, on pain of death.

Appears in: The Cage; The Menagerie; Discovery

Tellar Prime

Species homeworld · 61 Cygni

Homeworld of the Tellarites, a stout, gruff people for whom a good argument is a sport. A founding member of the Federation, and its sun is the real star 61 Cygni, about 11 light years from Earth.

Appears in: Babel One; Deep Space Nine (mentioned)

Trill

Species homeworld

Homeworld of the Trill, some of whom are joined with long-lived symbionts that pass from host to host and carry the memories of every life. Jadzia and Ezri Dax both carry the Dax symbiont.

Appears in: Deep Space Nine; Discovery

United Federation of Planets

Territory

An alliance of more than 150 member worlds spread across some 8,000 light years, founded in 2161 by Earth, Vulcan, Andoria and Tellar. Starfleet explores and defends it. Earth sits near its edge, under 90 light years from Qo'noS, and its full shape here is a guess.

Veridian III

Planet

A rocky, lifeless world where Dr Tolian Soran will do anything to reach the Nexus, a ribbon of energy where time has no meaning.

Appears in: Star Trek Generations

Vulcan

Species homeworld

A hot, arid world of red deserts and mountains about 16 light years from Earth, homeworld of the Vulcans, who tamed their violent emotions through the logic taught by Surak. A founding member of the Federation, and the homeworld of Spock's father, Sarek.

Appears in: Enterprise; The Original Series; The Search for Spock; Discovery; Strange New Worlds

Wolf 359

Battle site

A red dwarf star less than 8 light years from Earth, where Starfleet threw an armada of 39 starships against a single Borg cube in 2367.

Appears in: The Best of Both Worlds; Emissary; Picard (mentioned)

Beta Quadrant

The neighbouring quarter to the Alpha Quadrant, home of the Klingon Empire and the Romulan Star Empire, with part of the Federation along its edge.

Binary stars

Battle site · Battle at the Binary Stars

A binary star system on the edge of Klingon space, where Michael Burnham's Shenzhou finds a mysterious object and the Klingons are waiting.

Appears in: Discovery

Coppelius

Planet · position guessed

A hidden world in the Ghulion system, where a colony of androids lives in secret after the Federation bans synthetic life.

Appears in: Picard, season 1

Delphic Expanse

Spatial anomaly

A region about 50 light years from Earth wrapped in thermobaric clouds and spatial anomalies. In 2153 Archer's Enterprise goes in to find the Xindi, who have attacked Earth.

Appears in: Enterprise, season 3

Khitomer

Planet

A Klingon world near the Romulan border. The Khitomer Accords between the Klingons and the Federation are signed there in 2293, and in 2346 Romulans massacre its outpost, killing Worf's parents.

Appears in: The Undiscovered Country; The Next Generation

Klingon Empire

Territory

A warrior empire bound by honour and ruled from Qo'noS by the High Council. An enemy of the Federation through much of the 23rd century, it becomes an ally after the Khitomer Accords of 2293.

Nimbus III

Planet · Planet of Galactic Peace

A desert colony in the Neutral Zone, set up jointly by the Federation, the Klingons and the Romulans. By 2287 it is a forgotten backwater, and Sybok takes its three envoys hostage to lure a starship there.

Appears in: The Final Frontier

Organia

Planet

A quiet farming world on the border with the Klingon Empire, which both sides want when war breaks out in 2267.

Appears in: Errand of Mercy

Qo'noS

Capital world · Kronos

Homeworld of the Klingons and capital of the Klingon Empire, ruled by the High Council and its Chancellor from the Great Hall in the First City. The explosion of its moon Praxis in 2293 drives the Empire to make peace with the Federation.

Appears in: Broken Bow; The Undiscovered Country; The Next Generation; Deep Space Nine; Discovery

Romulan Star Empire

Territory

A secretive, militaristic empire whose cloaked warbirds watch the Neutral Zone. Its rulers sit in the Senate on Romulus, and its intelligence service is the Tal Shiar.

Romulus

Capital world

Capital of the Romulan Star Empire, whose people left Vulcan long ago rather than accept Surak's logic. Its twin world Remus is mined by the Reman slaves the Romulans look down on.

Appears in: Unification; Nemesis; Picard

System J-25

Borg site · position guessed

A system 7,000 light years beyond Federation space, where Q flings the Enterprise-D in 2365 so that it meets the Borg for the first time. Whole cities have been scooped off the surface of its sixth planet.

Appears in: Q Who

Gamma Quadrant

A distant quarter of the galaxy, 70,000 light years from Bajor, that the Federation only reached when the Bajoran wormhole opened in 2369. The Dominion rules much of it.

The Dominion

Territory

An empire in the Gamma Quadrant run for the shapeshifting Founders by the cloned Vorta and enforced by the Jem'Hadar soldiers, who are bred to depend on the drug ketracel-white.

Founders' homeworld

Capital world · The Great Link · position guessed

A rogue planet covered by the Great Link, an ocean of shapeshifting Changelings. Persecuted by 'solids' for thousands of years, the Founders built the Dominion so that no one could threaten them again.

Appears in: The Search; Broken Link; What You Leave Behind

Idran system

Star system

A trinary star system 70,000 light years from Bajor, at the Gamma Quadrant end of the Bajoran wormhole. Every Dominion ship that comes into the Alpha Quadrant passes through it.

Appears in: Deep Space Nine

Delta Quadrant

The far quarter of the galaxy, largely unexplored by the Federation until Voyager was stranded there in 2371. Much of it lies under the shadow of the Borg.

Borg Unicomplex

Borg site · position guessed

The heart of the Borg Collective, a complex of thousands of linked structures at least 600 km across, home to hundreds of cubes and the Borg Queen.

Appears in: Dark Frontier; Unimatrix Zero; Endgame

Borg space

Territory

Vast stretches of the Delta Quadrant held by the Borg Collective, a cybernetic hive that assimilates whole species and adds their biological and technological distinctiveness to its own. Resistance is futile.

Borg transwarp hub

Borg site · position guessed

One of six hubs whose transwarp conduits let Borg ships reach every quadrant within minutes, hidden inside a nebula.

Appears in: Endgame

Hirogen hunting grounds

Territory · position guessed

Space roamed by the Hirogen, nomadic hunters who live for the chase and keep their prey's bones as trophies. Voyager uses their ancient relay network to send its first message home in 2374.

Kazon space

Territory · position guessed

Space fought over by the Kazon sects, who overthrew their Trabe masters and now fight each other for water and technology. They harry Voyager through its first two years in the Delta Quadrant.

Krenim Imperium

Territory · position guessed

An empire whose scientist Annorax builds a timeship that can strike at history itself. Voyager lives through a Year of Hell in its space.

Ocampa

Species homeworld · position guessed

A desert world whose people, the Ocampa, live underground and only for about nine years. In 2371 the Caretaker's array above it pulls Voyager 70,000 light years from home.

Appears in: Caretaker

Rift to fluidic space

Spatial anomaly · position guessed

Where the Borg tear their way into fluidic space, a realm of organic fluid, and meet Species 8472, the first enemy they cannot assimilate.

Appears in: Scorpion

Talax

Species homeworld · position guessed

Homeworld of the Talaxians, Neelix among them. In their war with the Haakonians a metreon cascade wiped out the people of its moon Rinax, Neelix's family among them.

Appears in: Voyager (mentioned)

Vidiian Sodality

Territory · position guessed

Home of the Vidiians, a people ravaged for centuries by the phage, a disease that eats away their bodies. To survive they take organs from anyone they catch, and Voyager's crew are tempting targets.

Galactic core

The crowded heart of the galaxy, about 26,000 light years from Earth, ringed by the Great Barrier.

Sha Ka Ree

Planet · position guessed

A planet at the centre of the galaxy, behind the Great Barrier, that legend calls Sha Ka Ree, the place of creation. Sybok hijacks the Enterprise-A to go and find it.

Appears in: The Final Frontier

Borders and barriers

Galactic barrier

Border or barrier

A wall of energy around the rim of the galaxy. Crossing it in 2265 kills nine of Kirk's crew and gives Gary Mitchell fast-growing psychic powers. In 3190 Discovery crosses it to meet Species 10-C.

Great Barrier

Border or barrier

A barrier of energy around the galactic core that no ship was thought able to cross, until Sybok takes the Enterprise-A through it in 2287.

Romulan Neutral Zone

Border or barrier

A buffer of space between the Federation and the Romulans, set up after the Earth–Romulan War ended in 2160. Entering it is an act of war. The Treaty of Algeron reaffirms it in 2311, after which the Romulans stay unseen on their side until 2364.

Demilitarized Zone

Border or barrier

A strip along the Federation–Cardassian border, set up by treaty in 2370, where both sides' colonies were left in the other's territory. Federation colonists who refused to leave formed the Maquis.