Bniikii was a class M planet located near Ubessi and site of a former Ubessian colony. The planet was also located near the Cardassian Union and United Federation of Planets.
In 2362, after Ubessi was made virtually uninhabitable by a warp core breach, the surviving Ubessians colonized Bniikii. (Star Trek: The Prospect Chronicles: "What a Difference a Day Makes")