château; castle
Refers to a French-style castle or stately country house, especially in wine regions. Used in Japanese for both the building and as part of wine brand names.
from French
I visited a château in the Bordeaux region.
On my trip to France, I visited several châteaux in the Loire region.
This wine is produced at a famous château.
We held the wedding at a château.
Used for counting châteaux/wine estates as buildings, e.g. シャトーが3軒建っている.
chateau wine
Borrowed from French 'château'.