Mercer Hoteles | 5,424 followers on LinkedIn. Una personal visión de la hostelería contemporánea en España | Mercer Hoteles is a Luxury Hotels Group from Spain. Our 5-star hotels are characterized by their excellent location in Barcelona and Seville. Our properties are set in unique buildings of cultural, heritage and artistic interest, which have been carefully renovated to wrap our guests with absolute comfort, with the unmistakable #MercerStyle.