ground area; land area
Refers to the area of a piece of land, often used in real estate or construction contexts to indicate the footprint of a building or the total land area. Compare with 建坪 (たてつぼ), which specifically refers to the floor area of a building.
The land area of this property is 50 tsubo.
The building area is too large relative to the land area.
Compound of 地 (じ, 'land') and 坪 (つぼ, 'tsubo', a unit of area).