This family-run eco-friendly guest house is within 200 metres of Las Ramblas and Plaza Catalunya in Barcelona's historic city centre. Hostal Grau's air-conditioned rooms include free WiFi access and a safe.The rooms at Hostal Grau feature simple but stylish décor where white and wood combine to create a smart comfortable space. Each room has a private bathroom and some have a balcony.A range of wines and cocktails is available from the bar. There is also a vertical garden.The guest house features environmentally friendly design energy efficient lighting and a water recycling system as well as using renewable or clean energy. All products are PVC-free and the paint is water-based.The MACBA Modern Art Museum is just 350 metres from the guest house and Port Vell Harbour is a 15-minute walk away. Direct buses to Barcelona Airport stop in nearby Plaza Universitat.