hectare
A metric unit of area equal to 10,000 square meters. Used in agriculture, forestry, and land measurement.
from French
この農場は50ヘクタールの広さがある。
This farm has an area of 50 hectares.
1ヘクタールは100メートル四方の広さです。
One hectare is the area of a square 100 meters on each side.
This farm has 50 hectares of fields.
That forest covers about 200 hectares.