The Lefay Resort & Spa Lago di Garda in Gargnano ranked No.1 in the national and European list and No.4 in the world.

The hotel has been described by one traveller as "totally immersed in the mountains, perfectly integrated into the surrounding landscape".

The Dolomite region of Trentino-Alto Adige boasted three of the top ten hotels on a national level: Hotel Leitlhof - Dolomiten in San Candido (No.5), Wellness Hotel Lupo Bianco in Canazei (No.6), and Alp & Wellness Sport Hotel Panorama in Fai della Paganella (No.7).

The most sustainable hotel in the world was deemed to be the Tambo del Inka at the Luxury Collection Resort & Spa in Urubamba, Peru.

The Bucuti & Tara Beach Resort Aruba in the Caribbean and the Hotel du Vieux-Quebec in Quebec City, Canada, rounded out the top three.

Some 38 per cent of Italians interviewed said they will make eco-friendly travel choices in 2017, while 15 per cent said over the last year they had taken environmental impact into consideration when choosing a hotel.

The attention towards environmental sustainability is also reflected in food and travel choices, with 88 per cent of respondents saying they try to eat local and organic products when travelling and 31 per cent saying they use electronic boarding passes.

In addition, 28 per cent of those surveyed said when visiting new places they opt for eco-friendly tours such as ones using hybrid vehicles or bicycles or walking tours.