Why is Scotland Yard in London?

there was once a Scottish palace built there so was
Scotland Yard in London a district of Scotland like the district of Columbia in the US is a district of Brittan today?

SECRETS OF SCOTLAND YARD

http://www.netflix.com/watch/70296578

https://www.youtube.com/watch?v=xPUUbBe7C5A


3/4 inch of dust build up on the moon in 4.527 billion years,LOL and QM is fantasy science.