Gariman sector
The Gariman sector was a spatial region in the Beta Quadrant. 

In 2257, during the first , this sector was contested over by the Federation and the Klingon Empire. ()

In 2259, the location of this region in the Klingon Empire was labeled on a stellar cartography chart that was seen on the 's ready room viewscreen. ()
 
En route to this sector, during the night shift, the  performed with its lateral sensor arrays three separate spectral analyses of the Alwanir Nebula on three distant frequencies. ()

Appendices

Background information 
The sector's location in the Alpha and Beta Quadrants, on a holographic star chart, was first established in the canon in the  episode "The War Without, The War Within". 

According to the script, the pronunciation for Gariman was "GARY-man". In the script and at StarTrek.com, Gariman was a star system.  The system was in the region of the nebula. 

The  identified the Gariman sector as an area of Federation space.

External link 
 

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Sectors