Edinburg castle is one of the oldest fortified places in Europe. With a long history of royal residences, military garrison, prisons and fortress. Though part of it is for military use, no one staying in, the castle now is the world famous visitors attraction, remember to buy your tickets online, select the date and time slot you want to visit. Edinburg castle is the biggest castle in Scotland, the views from the top are wonderful. Built on top of an extinct volcano called castle rock, its locations make it the best defended fortresses in Scotland.