ground floor

US /ˈɡraʊnd flɔːr/
UK /ˈɡraʊnd flɔːr/
"ground floor" picture
1.

planta baja

the floor of a building that is at the same level as the ground outside

:
The reception area is on the ground floor.
La zona de recepción está en la planta baja.
Our apartment is on the ground floor, so it's easy to access.
Nuestro apartamento está en la planta baja, por lo que es de fácil acceso.