Federation-Klingon border
The Federation-Klingon border was the division between the United Federation of Planets and the Klingon Empire in the Alpha and Beta Quadrants.

History
The Narada emerged from a black hole in the year 2233 next to a star 75,000 kilometers from the border creating an alternate reality. It attacked and destroyed the  that was investigating the anomaly. ()
In 2259 of the alternate reality,  wanted  to contact Starfleet Command to let them know that they were pursued into the Neutral Zone by an unmarked Federation vessel.'' ()

As of 2268, Deep Space Station K-7 was located near the border, only 3.26 light years from the nearest Klingon outpost. According to Pavel Chekov, this was close enough to even "smell them [the Klingons]". (; )
 
In the late 23rd century, a Neutral Zone existed along the Federation-Klingon border. In preparation of a new peace conference in 2293, the dismantling of the Federation's space stations and starbases along its course was discussed. (, , , )

In 2369, Governor  was in charge of a region of space near the Federation-Klingon border. One of his ships, the IKS Qu'Vat under the command of Commander Morag, patrolled the border, passing near the Federation Relay Station 47 every six days. ()

In late 2372, following Chancellor Gowron's demand for the Federation to leave the Archanis sector, several representatives from planets on the Federation side of the border urged a preemptive strike on the Klingons. ()

Locations mentioned to be near or at the border

Star systems and planets
 Ajilon Prime 
 Archanis IV
 Capella system
 Capella IV
 Gamma Hydra system
 Gamma Hydra II
 Gamma Hydra IV
 H'atoria colony
 Hatarian system
 Donatu V
 Maranga IV
 Organia 
 Sherman's Planet
 Tellun system
 Elas
 Troyius

Uncertain
 Beta XII-A
 Caleb IV
 Gamma Arigulon system
 Ganalda IV
 Morska
 Narendra III 
 Neural

Stellar phenomena
 Azure Nebula 
 Lembatta Cluster
 Vodrey Nebula

Space stations
 Deep Space Station K-7 
 Relay Station 47
 Relay Station 194
 Starbase 24
 Starbase 212
 Starbase 234
Epsilon IX

Sectors
 Archanis sector
 Gamma Hydra sector
 Sector 36764
 Sector Ipai

See also 
 The "Borderland", a region of space between the Klingon Empire and the Orion Syndicate during the 22nd century
 Demilitarized Zone between the Cardassian Union and the Federation
 Klingon planets
 Neutral zone
 Romulan Neutral Zone

External link

Regions
Federation
Qo'noS