Thank you for that answer. In fact, the UN mentioned to us that they have different models for camps. In their ideal model, they would get property in a host country, and they would actually manage and look after the camp, but many countries insist on being involved in the management. That's where it becomes very complicated.
Evidence of meeting #31 for Subcommittee on International Human Rights in the 42nd Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was communities.
A recording is available from Parliament.