We have held a number of rooms which are bookable via the link below, card details are required but will not be charged, payment is to be made to the hotel on arrival/departure: https://cabsedinburgh.eventsair.com/the-wonders-of-star-foundation-2018/home-page
There are also many hotels and guest-houses in the area, a list of which can be found here: http://www.roe.ac.uk/ifa/about/Edinburgh_Accommodation.html
Participants are advised to book early, since Edinburgh is a popular tourist destination, particularly at this time of year.