Galaxy Maps
Borders are constantly changing in the Star Trek Universe. Here are three maps from different times within the TNG/DS9/Voyager era.
Note: The Sheliak Corporate is not on this map. It should be between the Ferengi Alliance and the Talarian Empire.
Note: On this map the Ferengi Alliance is place incorrectly. It should be between the Cardassian Empire and the Sheliak Corporate.
The above pictures were garnered from MJ's Star Trek site