A refugee camp is location where a displaced group of people gather.
In 2097, the Vulcans removed all Andorian settlers from Weytahn and placed them in refugee camps. (ENT: "Cease Fire")
The Kira family spent several years in the Singha refugee camp. Kira Nerys believed her mother Meru died there, although she actually passed away in a Cardassian hospital. (DS9: "Emissary", "Shadowplay", "Second Skin", "Wrongs Darker Than Death or Night")
Bareil Antos grew up at the Relliketh refugee camp. (DS9: "Shadowplay")
As a child, Ro Laren also spent several years in a refugee camp. (TNG: "Rascals")