Sector 25434

Sector 25434 was a spatial region in the Beta Quadrant. The Romulan Star Empire claimed this sector for itself.

In the 2360s, this sector was charted by the Vega Nine probe, which discovered a living spacecraft, code named "Tin Man", in the Beta Stromgren system. In 2366, the primary of this system, Beta Stromgren, supernovaed. (TNG: "Tin Man")

This sector was only mentioned in writing.
The name of this sector came from a mission order sent to Captain Jean-Luc Picard.
The quadrant of origin for this sector was inferred from the location of Starbase 152, which was the closest starbase for the damaged USS Enterprise.