Breakdown of O senhor é de Londres?
ser
to be
o senhor
the gentleman / you (formal, m)
de
of / from / by (means of transport) / wearing (attire)
Londres
London
Questions & Answers about O senhor é de Londres?
Why doesn't the word order change to make this a question, like in English ("Are you...")?
Why use O senhor to mean "you" here instead of tu?
If O senhor means "you", why does it use the verb é instead of an "are" form?
Does the word de mean "from" or "of"?
It means both! In Portuguese, the preposition de is used to show origin (where someone is from), as well as possession (belonging to) or material (made of). When stating your hometown or country, you will almost always pair the verb ser (to be) with de.