excavation site; site where an artifact was unearthed
Used in archaeology and related fields to refer to the location where an artifact or relic was discovered.
The excavation site of this earthenware is Nara Prefecture.
There are many artifacts whose excavation site is unknown.
遺跡 is a broader term for archaeological site or ruins, whereas 出土地 specifically denotes the spot where an artifact was unearthed.
Compound of 出土 (しゅつど, 'excavation') and 地 (ち, 'land' or 'place').