Talarian Republic

The Talarian Republic was a minor interstellar power in the Alpha Quadrant of the Milky Way Galaxy, founded and dominated by the Talarian species. The Republic's proximity to the United Federation of Planets, Tzenkethi Coalition and the Cardassian Union brought it into conflict with those powers at various times in its history. (, )

The Galen Border conflicts of the 2350s were one such example of strife between the Talarians and their Federation neighbours. However, by the 2380s, relations between the Republic and the Federation had warmed considerably, and the UFP considered the Talarians an ally. 

In the Pendragon timeline, the Talarian Republic forged a friendly diplomatic relationship with the Colonial Alliance, and joined the Alliance's research efforts in the Badlands. (, Star Trek: Sons of Liberty)