One such hotel is The Palace in Madrid—recently metamorphosed as a Luxury Collection Hotel after a two-year renovation.

Used by the Spanish monarchy for state ceremonies only, the Royal Palace in Madrid makes a grand impression ... the Byzantine-inspired throne room, the king's bedroom with its carved wood ...

Although the royal family does not currently live in the palace, it is still considered their official residence. It is also thought to be the largest royal palace in Western Europe with a total ...