Beta Lankal was a star system within the Klingon Empire, the site of a planet where a Zalkatian archeological dig begun in 2375. It was at this site that the first records were found indicating the four Malkus Artifacts, when combined, would constitue an even more powerful weapon than they did separately. (TNG - The Brave and the Bold, Book Two novella: The Final Artifact)

In 2381, Beta Lankal was attacked by the Borg. (ST - Destiny novel: Lost Souls)

The stellar notation using the Greek language letter "beta" indicates that there might be a star group or constellation of some sort named "Lankal", of which Beta Lankal would logically be indicated to be the second most prominent star or system.