Qu'Vat

Qu'Vat is a Klingon world, established originally as a colony, hence it's previous name of "Qu'Vat Colony".

Over seven billion people lived on Qu'Vat in the late 26th Century.

The conn officer from the USS Pioneer, Lieutenant (JG) K'Jan, was born on Qu'Vat.

(Star Trek: Pioneer: On a Knife Edge)