#
A
- A-Chiltar III
- A-City
- A.I.M. Space Station
- Aakon
- Abeloth's Planet
- Abysmia
- Ace Chemicals
- Aceta
- Achernon
- Adelaide
- Aedi
- Affa
- Afghanistan
- Africa
- Agrabah
- Ahch-To
- Ahl-Agullo
- Aincrad
- Akima
- Akkadese Maelstrom
- Al-Mazahmiya
- Alabama
- Aladna
- Alaska
- Alba Sarum
- Albaan
- Albania
- Alberia
- Alberta
- Alcatraz Island
- Alchera
- Alderaan
- Alexandria, Egypt
- Alfa Tower
- Alfheim
- Algeria
- Algiers
- Alice Springs
- Alpha Centauri
- Alpha Centauri A
- Alpha Flight Low-Orbit Space Station
- Alpha Halo
- Alpha Unakalhai
- Alslavia
- Altair System
- Althea Island
- Ama
- Amenth
- Amerika
- Amsterdam
- Anacreon
- Anaxes
- Andorra
- Andromeda Galaxy
- Anelsana
- Angel Island
- Angmar
- Angola
- Anhooie-4
- Ankara
- Annoval 14
- Antarctica
- Antigua and Barbuda
- Apokolips
- Aqiria
- Aquas
- Aquilae
- Arago
- Arago-7
- Arakko
- Archeopia
- Archie Goodwin International Airport
- Arctic Ocean
- Arcturian System
- Arcturus IV
- Ardennen
- Ardent Spring
- Area 51
- Area 52
- Arendelle
- Areopagus
- Argentina
- Argo City
- Argor
- Argos (Hyboria)
- Aria Prime
- Ariel
- Arima
- Aris
- Ariston
- Arizona
- Arkansas
- Arkham Asylum
- Arlington
- Armechadon
- Armenia
- Arrakis
- Arrakis
- Arthézia
- Arthros
- Asgard
- Asgard (Realm)
- Asia
- Assorhan
- Asteroid M
- Astra (Planet)
- Astral Plane
- Astral World
- Ataraxia
- Athens, Greece
- Atlanta
- Atlantean Garrison
- Atlantic City
- Atlantic Ocean
- Atlantis
- Atlantis
- Atlantis
- Attania
- Attilan
- Austanburg
- Australia
- Australia
- Austria
- Autobot City
- Avalon
- Avenger Base Two
- Avengers Compound
- Avengers Deep-Space Monitoring Station
- Avengers Mansion
- Avengers Tower
- Azania
- Azarath
- Azerbaijan
- Aznia
B
- Ba
- Ba-Banis
- Bagalia
- Baghdad
- Bagmom
- Bahamas
- Bahrain
- Baluur
- Bana-Mighdall
- Bangladesh
- Bank
- Barad-dûr
- Barbados
- Barbuda
- Barcelona
- Barian World
- Bartovia
- Basin City
- Bastrona
- Batcave
- Battleworld
- Battleworld (Latverion)
- Baud Olan
- Bawa Kawa
- Baxter Building
- Beauxbatons
- Bedlam's Complex
- Beehive
- Beetlejuice
- Beijing
- Beirut
- Bek
- Belarus
- Belgium
- Belgriun
- Belize
- Benin
- Bentwood
- Berhert
- Berlin
- Bermuda Triangle
- Bespin
- Beta Centauri
- Beta Lyrae
- Beta Rigel
- Beta Scorpi
- Betelgeuse
- Betrassus
- Beyond Realm
- Bgztl
- Bhutan
- Bialya
- Bifrost
- Big Ben (Clock)
- Bikini Bottom
- Biphasia
- Birj
- Birkeel
- Bishop Publishing
- Blackgate Penitentiary
- Bledsoe
- Blightspoke
- Blood Dimension
- Bloodstone Island
- Bludhaven
- Blue Sea
- Boca Caliente
- Boca Del Dios
- Bogonda
- Bolamoira
- Bolivia
- Bora-Buru
- Borozan
- Bosnia and Herzegovina
- Bosqueverde
- Bothawui
- Botswana
- Bowser's Castle
- Braavos
- Braddock Lighthouse
- Brazil
- Breakworld
- Brentaal IV
- Bridge Of Eldin
- Brisbane
- Bristol Township
- British Ministry Of Magic
- Broi
- Brooklyn
- Brooklyn Bridge
- Brunei
- Brussels
- Bucharest
- Buckingham Palace
- Budapest
- Buenos Aires
- Bulgaria
- Burkina
- Burma (Myanmar)
- Burunda
- Burundi
- Bwunda
- Byss
