noun
neighborhood, quarter, lodging
B1
Quartier (das) means neighborhood or quarter, and can also mean lodging/accommodation. Borrowed from French, used for a district or a place to stay (e.g., Quartier beziehen). Neuter noun; plural Quartiere. Regular declension; can be slightly formal or literary compared with Alltag 'Viertel' or 'Wohnviertel'.
Examples
Das historische Quartier hat enge Gassen und kleine Plätze.
The historic quarter has narrow streets and small squares.
Wir haben ein gemütliches Quartier für unseren Urlaub gefunden.
We found cozy accommodation for our vacation.
Die Reisegruppe bezahlte das Quartier in bar, nachdem der Veranstalter die Reservierung bestätigte.
The travel group paid for the accommodations in cash after the organizer confirmed the reservation.
Details
Mnemonics
Imagine a map divided into quarters; the highlighted section is your Quartier
Sounds like 'quarter' in English
das Quartier — 'das' is neutral like 'the' for a place; think 'das' = 'the dot' (a neutral spot on the map)
Notes
Quartier can mean a neighborhood or a temporary place to stay (lodging). In Austrian and Swiss usage it often refers to a district or neighborhood.