Transformers Reference (Canon): Locations of Cybertron

Right now I'm only listing non-city locations with unique names (or are home to certain characters).

SHOWS

The Transformers (1984)

    Crystal City

    Hive City

Beast Machines (1999)

    Cybertropolis

Energon (2004)

    Central City

Robots in Disguise (2015)
    Doradus
    Helpful City -- city on Luna 1

    Nuon City [Airazor]

    Pellechrome

Cyberverse (2018)

    Lithium Flats

COMICS

Marvel Comics

The Transformers (1984)
    Helex [Momus, Swerve]

    Iacon [Bumblebee, Chromedome, Grimlock, Orion Pax]

    Ibex [Beachcomber, Photon]

    Jan-Ja

    Kalis / Adaptica [Banzai-Tron]

    Polyhex [Whirl]

    Slaughter City

    Sonic Canyons [Siren]

    Stanix [Ravage]

    Tarn [Megatron, Shockwave]

    Tyrest

    Valvolux

    Vos [Starscream]

    Yuss [Nightbeat, Straxus]

3H Productions

The Wreckers (July 2001)

    Dodecahex

Dreamwave Productions

Armada (July 2002)
    Cyber City
    Mini-Con Sector
The War Within (October 2002)

    Altihex
    Helix Gardens
    Kaon
    Kolkular

    Praxus [Bluestreak, Prowl]

    Protihex / Protohex [Galvatron]

    Uraya [Hefter; Binary]

War Within: The Dark Ages (October 2003)
    Nova Cronum [Skids]
    Praetorus Wharf
    Tagan Heights

War Within: The Age of Wrath (September 2004)

    Tyger Pax

Devil's Due Press

G.I. Joe vs. the Transformers: The Art of War (March 2006)

    Capitol City

Fun Publications

Transcendent (February 2008)

    Axiom Nexus
Shattered Glass (April 2008)
    Torus Heights

Reunification (February 2009)
    Durax

Battle Lines (February 2011)

    Plurex

Termination (2013)

    Trigat

Alone Together (2014)

    Damaxus

    Ferromax Detention Center

IDW Publishing

Spotlight (2006)

    Peptex

The Reign of Starscream (May 2008)

    Simfur [Grimlock]

    Trypticon

Defiance (January 2009)

    Burthov
    Metrotitan

The Transformers (2009)
    Deltaran Medical Facility

    Rodion [Quark]

Foundation (February 2011)

    Thetacon [Ironhide]

More than Meets the Eye (January 2012)
    Alyon

    Ambustus Minor [Dominus Ambus]

    Apophenia

    Bitrex [Shock]

    Esserlon
    First City

    High-Ceilinged Manifold [Censere]

    Iacon Minor [Tripodeca]
    K'th Kinsere
    Mesmerica
    Mitteous Plateau

    Monoplex [Hound]
    Obex

    Pescus Hex [Pipes]
    Pess Pess

    Petrex [Prowl]

    Petrohex [Rewind]
    Pious Pools [Rung]

    Polyhex Minor [Flatfoot]

    Rivets Field [Tailgate]

    Sistex [Zeta Prime]
    Subterrania

    Tesarus [Kup]

    Tesarus Minor [Jhiaxus]

    Tetrahex [Cyclonus]

    Unitrex

    Vinvissius Canals / Vinvissius Heights

Robots in Disguise (2012)
    Aegiax
    Darklands
    Port Residua
    Vespertine Blue

Autocracy (January 2012)
    Galaxxon
    Kutanzuule

    Nyon [Hot Rod]

    Triax

    Ultirex

    Ultrix

Monstrosity (March 2013)
    Harmonex
Beast Hunters (May 2013)
    Last Spark
    New Kalis
    New Spark

Sins of the Wreckers (November 2015)

    Carpessa

Optimus Prime (2016)
    Forgotten Plains

    Staniz [Jazz]

Lost Light (2016)

    Automica

    Celestica Tetracornacapria [Lug]

    Eugenesis

    Teledonia [Kaput]

    Tesk

    Vaporex [Ratchet]

Transformers vs. Visionaries (January 2018)
    New Prysmos

NOVELS

Hardwired (June 2003)

    Centurion [Starscream]

Exodus (July 2010)

    Blaster City

PROSE

Reaching the Omega Point (1999)

    Corumkan
    J'nwan

The New World (July 2007)
    Ankmor Park
    Gygax

    Proximax

Flames of Yesterday (May 2010)
    Glibax / Gilbax
    Hyperious
    Median

    Praxium
A Team Effort (2010)
    Detrona

Zero Point (February 2012)
    G'th Semane

OTHER

The Ultimate Guide (May 2004)
    Hydrax Plateau
Collector's Edition toy bios
    Mebion

Transformers: The Movie Guide (July 2007)
    Ky-Alexia [Rosanna]
Risk: Cybertron War Edition (2007)
    Hexima State

    Perihex

Collectors' Club #40
    Carburisia [Leozack, Lyzack]

2012

Games
Fall of Cybertron (2012)
   Hydrax Canyons

2014

Others
Botcon 2014 bios
   New Polyhex