The phrase "occupied land" refers to a piece of territory or area that is controlled or under the authority of a foreign power or army. It means that the land is being used or governed by someone who is not from that area or region. Full definition
Applicants would need to show that there were Indigenous people at sovereignty occupying the land in question according to traditional laws and customs. (humanrights.gov.au)
The court explained that one factor in determining whether a person is an «owner» of land is whether the person occupied the land. (newmexicoinjury.com)
The ruins are hardly worth the visit for its archaeological value, but they are a nice reminder of who originally occupied this land. (chichenitzaruins.org)