
Ki Baratan in 2379.
Ki Baratan is the capital city of the Romulan Star Empire. Located on Romulus off the coast of the Apnex Sea, the city is sometimes referred to anachronistically by the old name Dartha or Dartha City. (TNG novelization: Unification, TOS novel: Vulcan's Heart, ENT novel: The Good That Men Do)
History
In 2366, Romulan Commander Tomalak promised that, after he defeated the USS Enterprise-D, he intended to display her broken hull in the capital "as a symbol of victory." (TNG episode: "The Defector")
Ki Baratan was also previously known as Val'danadex Trel. (ST - Typhon Pact novel: Plagues of Night)
Ki Baratan is the location of the Hall of State; in 2374 and 2379, rioting broke out in the city following the assassinations of Emperor Shiarkeik and of the Romulan Senate, respectively. (ST short story: "Blood Sacrifice", TTN novel: Taking Wing)
Rehaek had a home on the outskirts of the city; in the city, Sela had a townhouse. (ST website: The Path to 2409)
In 2382, a food shortage occurred and limited replicator use was put into effect on Romulus. People in Ki Baratan rioted in response to this situation. Up to two thousand people died in the riots. (ST website: The Path to 2409)