If you want to transition the capital to a new, better place, you need to move the capital. This used to happen a lot way back in Japanese history. It's actually pretty interesting so you might want to read up on it!
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
Next year an event is being held for the 1500 year anniversary of the relocation of the capital.