Greyfriars Bobby and others in this prominent churchyard near the Royal Mile just up the hill from Grassmarket. Apparently there are 5 graves associated with Harry Potter here. Look elsewhere if that interests you as I was not looking for any of them.

Some graves seen here:
Robert Sibbald d.1722 Physician, antiquary.
William Littil d.1601 Founder of Edinburgh University
Henry Siddons d.1815 English actor
William Adam d.1748 Architect
Thomas M'Crie the Elder d.1835 Biographer (Life of Knox, 1813)
George Buchanan d.1582 Historian, intellectual
Covenanters Martyrs Memorial
Greyfriars Bobby Dog who spent 14 years guarding the grave of his master