我係邊呀？
Which department am I in?

Cantonese Sentence Breakdown

我 ngo5
I
me
my
us
we
our
self
係 hai6
(Cantonese) to be
to connect
to relate to
to tie up
to bind
to be (literary)
to involve
relation
relationship
consequence
yes
indeed
right
邊 bin1
side
edge
margin
border
boundary M: 个gè [个]
simultaneously
verge
hem
limits
bounds
nearby
near to
a surname
which
where
what
呀 haa1
(particle equivalent to 啊 after a vowel, expressing surprise or doubt)