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J'habite dans un appartement en centre-ville.
I live in an apartment in the city center.
A self-contained housing unit that occupies part of a building, typically on one floor.
Ils ont acheté un appartement avec deux chambres.
They bought an apartment with two bedrooms.
In French, 'appartement' is the standard term for what is commonly called an 'apartment' in English.
'Appartement' is the most common term for an apartment in French, whether rented or owned.
The plural form is 'appartements', though 'appart' is sometimes used informally.
From Old French 'apartement', from Italian 'appartamento', from 'appartare' (to separate), from Latin 'apartare' (to part).
In French, 'appartement' is used for both rented and owned units, whereas 'maison' refers to a standalone house.