Nivoch was a planet located near Cardassian space, but remaining neutral in political character.
Seska was supposed to meet her brother on Nivoch in 2371 for his birthday. (VOY episode: "Prime Factors")
Nivoch was caught in the middle of the Dominion War despite its neutrality so persons from Cardassia or the Federation were not particularly welcome.
In 2381, Gariff Lucsly and Marion Dulmur met Cyral Nine at a bar in Nivoch's Norym District. (DTI novel: Watching the Clock)