Tyra

Tyra is a star system.

In 2374, during the Dominion War, Tyra was the location of the Battle of Tyra. Ninety-eight Federation starships of the Starfleet 7th Fleet were destroyed by the Dominion forces, with only fourteen Starfleet vessels surviving. 

The USS Lexington (NCC-61832) was among the ships that survived and escaped the Tyra system. The Setlik system was later attacked to even out the losses at Tyra.