<Tr> <Th> State Party </Th> <Td> France </Td> </Tr> <Tr> <Th> Region </Th> <Td> Europe </Td> </Tr> <P> The Château de Chambord at Chambord, Loir - et - Cher, France, is one of the most recognisable châteaux in the world because of its very distinctive French Renaissance architecture which blends traditional French medieval forms with classical Renaissance structures . The building, which was never completed, was constructed by King Francis I of France . </P> <P> Chambord is the largest château in the Loire Valley; it was built to serve as a hunting lodge for Francis I, who maintained his royal residences at the Château de Blois and Amboise . The original design of the Château de Chambord is attributed, though with some doubt, to Domenico da Cortona; Leonardo da Vinci may also have been involved . </P>

Which king ordered the building of the château de chambord