Dinasia

Dinasia is a star with an associated star system. Dinasia is a class K orange star located in the space of the Beta Quadrant of the galaxy, hundreds of light-years from Earth. 

Specifics
Dinasia was located in or near Federation space in the 24th century, in far reaches bordered by the Klingon Empire and the Federation's Neutral Zone with the Romulan Star Empire. The system was depopulated and quarantined by that time.