The Principal Edinburgh Charlotte Square is a sustainable hotel located in a historic Georgian building in the heart of Edinburgh. The hotel is committed to sustainability and has implemented various eco-friendly practices. It has energy-efficient lighting, uses environmentally friendly cleaning products, and supports local suppliers. The hotel also offers a range of sustainable amenities, such as bicycle rentals and electric vehicle charging stations. Guests can enjoy the hotel's stylish and comfortable rooms, as well as its convenient location near popular attractions like Princes Street Gardens and Edinburgh Castle.