Questa è la lista completa degli hotel Eco-Friendly:
- Anantara Convento di Amalfi Grand Hotel
- Anantara Grand Hotel Krasnapolsky Amsterdam
- Avani Alonso Martinez Madrid
- Avani Frankfurt City Hotel
- Avani Palazzo Moscova Milan
- Avani Rio Novo Venice Hotel
- Avani Royal Zona T Bogotá Hotel
- NH Amersfoort
- NH Amsterdam Caransa
- NH Amsterdam Leidseplein
- NH Amsterdam City Centre
- Avani Museum Quarter Amsterdam Hotel
- NH Amsterdam Noord
- NH Amsterdam Schiller
- NH Amsterdam Schiphol Airport
- NH Amsterdam Zuid
- NH Atlanta Rotterdam
- NH Barcelona Eixample
- NH Barcelona Stadium
- NH Bariloche Edelweiss
- NH Bergamo
- NH Berlin Alexanderplatz
- NH Berlin Kurfurstendamm
- NH Berlin Potsdamer Platz
- NH Bilbao Deusto
- NH Bingen
- NH Bologna De La Gare
- NH Bologna Villanova
- NH Brugge
- NH Brussels Airport
- NH Brussels Carrefour de l'Europe
- NH Brussels EU Berlaymont
- NH Brussels Grand Place Arenberg
- NH Brussels Louise
- NH Brussels Stéphanie
- NH Buenos Aires 9 de Julio
- NH Buenos Aires Tango
- NH Bussum Jan Tabak
- NH Catania Centro
- NH Catania Parco Degli Aragonesi
- NH Centre Utrecht
- NH Ciudad de Santander
- NH Ciutat de Reus
- NH Collection Amistad Córdoba
- NH Collection Amsterdam Barbizon Palace
- Tivoli Doelen Amsterdam
- NH Collection Amsterdam Flower Market
- NH Collection Barcelona Constanza
- NH Collection Barcelona Gran Hotel Calderón
- NH Collection Barcelona Pódium
- NH Collection Berlin Mitte am Checkpoint Charlie
- NH Collection Berlin Mitte Friedrichstrasse
- NH Collection Bogotá Andino Royal
- NH Collection Bogotá Hacienda Royal
- NH Collection Bogotá Teleport Royal
- NH Collection Bogotá Terra 100 Royal
- NH Collection Bogotá WTC Royal
- NH Collection Brussels Centre
- NH Collection Brussels Grand Sablon
- NH Collection Buenos Aires Jousten
- NH Collection Buenos Aires Lancaster
- NH Collection Cáceres Palacio de Oquendo
- NH Collection Dresden Altmarkt
- NH Collection Eindhoven Centre
- NH Collection Firenze Porta Rossa
- NH Collection Genova Marina
- NH Collection Granada Victoria
- NH Collection Gran Hotel de Zaragoza
- NH Collection Guadalajara Providencia
- NH Collection Hamburg City
- NH Collection Heidelberg
- NH Collection Köln Mediapark
- NH Collection Leon Plaza Mayor
- NH Collection Madrid Abascal
- NH Collection Madrid Colón
- NH Collection Madrid Eurobuilding
- NH Collection Madrid Palacio de Tepa
- NH Collection Madrid Paseo del Prado
- NH Collection Madrid Suecia
- NH Collection Milano Porta Nuova
- NH Collection Milano President
- NH Collection München Bavaria
- NH Collection Nürnberg City
- NH Collection Palacio de Aranjuez
- NH Collection Roma Centro
- NH Collection Roma Giustiniano
- NH Collection Roma Palazzo Cinquecento
- NH Collection Roma Vittorio Veneto
- NH Collection San Sebastián Aránzazu
- NH Collection Sevilla
- NH Collection Taormina
- NH Collection Torino Santo Stefano
- NH Collection Villa de Bilbao
- NH Collection Wien Zentrum
- NH Córdoba Panorama
- NH Danube City
- NH Den Haag
- NH Dortmund
- NH Dresden Neustadt
- NH Düsseldorf City
- NH Düsseldorf City Nord
- NH Düsseldorf Königsallee
- NH Eindhoven Conference Centre Koningshof
- NH Erlangen
- NH Firenze
- NH Frankfurt Airport
- NH Frankfurt Airport West
- NH Frankfurt Messe
- NH Frankfurt Niederrad
- NH Fürth Nürnberg
- NH Geneva Airport
- NH Genova Centro
- NH Collection Gent
- NH Gijón
- NH Groningen
- NH Hamburg Altona
- NH Hamburg Horner Rennbahn
- NH Hamburg Mitte
- NH Hirschberg Heidelberg
- NH Ingolstadt
- NH Köln Altstadt
- NH La Spezia
- NH Lecco Pontevecchio
- NH Leipzig Messe
- NH Ludwigsburg
- NH Luxembourg
- NH Lyon Airport
- NH Maastricht
- NH Madrid Nacional
- NH Madrid Ribera del Manzanares
- NH Madrid Ventas
- NH Madrid Zurbano
- NH Mannheim Viernheim
- NH Mechelen
- NH Mexico City Centro Histórico
- NH Milano 2
- NH Milano 2 Residence
- NH Milano Fiera
- NH Milano Linate
- NH Collection Milano Touring
- NH München Airport
- NH München Messe
- NH München Ost Conference Center
- NH München Unterhaching
- NH Napoli Ambassador
- NH Nice
- NH Noordwijk Conference Centre Leeuwenhorst
- NH Orio al Serio
- NH Padova
- NH Palermo
- NH Pamplona Iruña Park
- NH Parma
- NH Pisa
- NH Potsdam
- NH Ravenna
- NH Roma Villa Carpegna
- NH Salzburg City
- NH Sants Barcelona
- NH Savona Darsena
- NH Sevilla Plaza de Armas
- NH Siena
- NH Stuttgart Airport
- NH Trento
- NH Trieste
- NH Utrecht
- NH Venezia Laguna Palace
- NH Vienna Airport Conference Center
- NH Weinheim
- NH Wien Belvedere
- NH Wien City
- NH Zandvoort
- nhow Berlin
- nhow Brussels Bloom
- nhow Milano
- nhow Rotterdam
- Tivoli Oriente Lisboa
- Tivoli Carvoeiro Algarve Resort
