The City of Toronto archives connect Princess Elizabeth's 1951 visit to the Royal York, Global News records that she used the hotel for multi-day Toronto stays and tours her Royal Suite, and later dated imagery and professional reporting corroborate recurring use.
Queen Elizabeth II stayed repeatedly at Fairmont Royal York in Toronto. The City of Toronto archives connect her first 1951 royal visit to the hotel, later professional reporting describes the Royal York as her accommodation on multiple trips, and a 2010 photograph documents her arrival at the property.
Source conclusion:
The cited sources support a stay at the named hotel.
