Beta Quadrant
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- Acamarian Ruling Council
- Gorn Hegemony
- Iconian Empire
- Klingon Empire
- R'ongovian Protectorate
- Romulan Free State
- Romulan Star Empire
- United Federation of Planets
- Aldea
- Angel I
- Cestus III
- Coridan
- Denobula
- Galorndon Core
- Genesis
- Iconia
- Kaminar
- Khitomer
- Krios Prime
- Kwejian
- Mintaka III
- Nausicaa
- Omicron Theta
- Orion
- Qo'noS
- Remus
- Rigel IV
- Rigel VII
- Romulus
- Rura Penthe
- Tholia
- Turkana IV
- Azure Nebula
- Mutara Nebula
- Typhon Expanse
- 23rd Century: Became a strategic chessboard, alot of cold wars
- 2373–2375: Dominion War
- 2387: Romulus destroyed by supernova
- 3069: The Burn
- Adjacent to the Alpha & Delta Quadrants