hi! additional information is welcome (particularly archaeological evidence regarding the arrival of the Dorset people in and around Greenland), but meanwhile, check out these previous discussions

• What archaeologic evidence exists that Irish monks colonized Iceland before the arrival of the Norse?

• Why didn't Greenlanders die of disease? - not an answer, but includes some reference maps which may be helpful

• The Norse sagas recount early settlers' (limited) interaction with North American natives. Do any sources or stories that recount this interaction from the native perspective exist? - includes links to other threads and reference works

Not that I could answer either way, but to clarify, do you mean by indigenous peoples, or some kind of pre-Viking European settlement?

Like I said, I can't answer either way and so I apologize, but it may help give those who might be able to a better idea of how to handle your question by knowing exactly what you're looking for.