former site; site of a demolished building
Refers to the land or location where something used to be, especially after a building has been removed or an organization has moved.
工場の跡地にマンションが建った。
An apartment building was built on the former factory site.
学校の
An apartment building was built on the former site of the factory.
The site of the former school was turned into a park.
They made a park using the site of the closed-down school.
There is a plan to construct a commercial facility on the site of the former station.
敷地 is the plot of land a building currently stands on (or is meant for), whereas 跡地 is the land left behind after something was torn down or moved away.
跡 is a broad word for any trace, mark, or remains, while 跡地 narrows this to a specific plot of land where a building or facility used to be.
Used when referring to a site or location as a counted place; there isn’t a more specific conventional counter for this noun.
Compound of 跡 (あと, 'trace, remains') and 地 (ち, 'land, ground').