"Kami tinggal dan kerja di distrik yang sama."
Terjemahan:We live and work in the same district.
Used at for specific addresses.
I live at England Garden. (address)
I live in the garden of...
Also use "at" with places.
at the cinema
at the corner
at the airport
at the lobby
Used in for the names of towns, states, countries... areas, regions, districts...
I live in Sydney.
Also use "in" with spaces.
in a room in the garden in the lobby in the park in the airport
I live at England Garden.
I am in/at the airport depending on where I was at the airport.
I am at/in the lobby. I think you can use either in or at.
NB In indicates you are inside the airport, whereas with at you could be standing outside the airport.