The Elden Ring DLC says the map size is about the size of Limgrave. Where is it going?

The Elden Ring DLC says the map size is about the size of Limgrave. Where is it going?
ELDEN RING DLC "SHADOW OF THE ERDTREE" WAS RELEASED ON JUNE 21ST. At the time of the release, the content of the interview published in February seems to have received a pleasant twist. The Elden Ring DLC says the map size is about the size of Limgrave. Where is it going?...

The linked article is in Japanese.