El País inspected Diana's framed 1996 thank-you letter at La Residencia. Majorca Daily Bulletin gives a first-person account of her arrival and three days at the hotel, corroborated by Última Hora and Tatler; the precise month remains disputed.
Princess Diana stayed at Hotel La Residencia in Deià, Mallorca, in 1996. A framed thank-you letter bearing her signature remains at the hotel, according to an El País reporter who inspected it, and Mallorcan journalists independently recorded her arrival and accommodation at the property.
Source conclusion:
The cited sources support a stay at the named hotel.
