[{SlideShowNav}] !!!Saint Margarets Chapel [{Image src='1740uk.jpg' width='487' height='650' alt='Saint Margarets Chapel' class='image_left' popup='false'}] [{SET customtitle='Saint Margarets Chapel'}] \\ Saint Margarets Chapel - built circa 1130 - is the oldest building in Edinburgh Castle and in all of Scotlands capital city. It was built by King David I as a private chapel for the royal family and dedicated to his mother, Margaret.