Learn Spanish (Spain): La leche está en el frigorífico.

Words ending in -e can be masculine or feminine in Spanish. Leche is feminine, so it uses la. It is one of those words where you just have to memorize the gender along with the vocabulary!

Why do we use está instead of es here?

We use está because we are talking about the physical location of the milk. In Spanish, you always use the verb estar for the location of people and things, even if they are usually kept in that same place.

Is frigorífico the only word for fridge in Spain?

You will hear both frigorífico and nevera in Spain, and they mean the exact same thing. Frigorífico is the standard term for the appliance in Spain, and Spaniards often shorten it to el frigo in daily conversation.

Why does frigorífico have a written accent mark?

The accent mark tells you to stress that specific syllable: fri-go-rí-fi-co. Spanish rules say that if a word's natural spoken stress falls on the third-to-last syllable, it must always carry a written accent mark.