one's land; one's estate; domain
Refers to land or real estate that a person or entity owns. 地 emphasizes the land aspect. 'Demesne' is a rare historical term; the core meaning is simply 'owned land'.
He has a large piece of land in the suburbs.
The company holds several properties in the city center.
Compound of 所有 (しょゆう, 'ownership') + 地 (ち, 'land'). The meaning is transparent from its parts.