Portuguese Phrase
É o quarto 315.
Meaning
The sentence identifies a specific room, saying that the speaker (or the subject being referred to) is room 315. It is a concise way to give a room number in hotels, offices, or other buildings.
When to use
Use this phrase when you need to tell someone which room you are in, when confirming a reservation, or when directing a guest to a particular room. It works in hotels, hostels, office buildings, universities, and any place that uses numbered rooms.
✦Grammar Breakdown
Éoquarto315.
É (ser)
Use the verb 'ser' (É) for identification or definition, not for location; it tells what something is.
Definite article 'o'
The masculine singular article 'o' agrees with the noun 'quarto'.
Noun 'quarto'
In this context 'quarto' means 'room' (not 'fourth').
Number as room identifier
When a number follows a noun like 'quarto', it functions as a label, not a cardinal number.
🗨In Conversation
Qual é o seu número de quarto?
What is your room number?
É o quarto 315.
It’s room 315.
✕Common Mistakes
Está o quarto 315.
Use 'É' (ser) for identification, not 'Está' (estar) which describes location.
É um quarto 315.
The definite article 'o' is required; 'um' changes the meaning to 'a room'.
É o quatro 315.
Do not confuse 'quarto' (room) with 'quatro' (four).
↔Alternatives
O número do quarto é 315.
The room number is 315.
Fica no quarto 315.
It is located in room 315.
É a sala 315.
It is room 315.
Cultural Tip
In Brazil, room numbers often combine floor and door number. '315' usually means the third floor, room 15. When speaking to locals, you can also say 'quarto trezentos e quinze' but most people will just read the digits. Use 'quarto' for hotel rooms and 'sala' for classrooms or meeting rooms.