The Aranzazu Hoteles group was established in 1965 and manages 4 and 5 star properties located in the heart of Bilbao, San Sebastian, and Haro in Spain. Each of their properties is different from each other, but each one strives to combine tradition and modernity. Their hotel staff strive to adapt to every type of guest and provide the best service possible while meeting their needs and demands. Their locations and hotel designs make them the ideal choice when visiting Spain.

One of their most important properties is the Hotel Carlton. A historical landmark and considered as one of the most magnificent hotels in Bilbao, it is listed as an architectural, cultural, and artistic monument. Centrally located in the Federico Moyua square, right in the middle of Gran Via, the Hotel Carlton is perfect for those travelling for business or for leisure. It offers 142 guest rooms on 6 floors. It also offers a 250 square meter Imperial Suite on the top floor of the property.

Other properties in the brand include the Hotel Abando which is located in the financial hub of Bilbao and close to the Guggenheim Museum and the Museum of Fine Arts. They also own two other 4-star properties, Hotel San Sebastian and Hotel Los Agustinos.