1. IN
  2. ON
  3. AT



1. IN

for an enclosed space


Use in when someone or something is inside something.


in - place as an area, state, city, ...

in Germany, in a city centre


in - inside a building

in a restaurant, in a musem


in - inside of something

in a little box, in the car


He lives in New York.

I work in this shopping centre.

She is waiting in the car.



2. ON

for surface


Use on when one thing is attached to another or touching something else.


on - surface

on the table, on the floor


on - public transport (on the board)

on a plane, on a bus


on - a place as a point on a line

on the river, on the north coast


on - with directions

on the left, on the right


The book is on the desk.

I love traveling on a bus.

The hotel is on the river.

The shop is on the left.



3. AT

for a point


Use at when someone or something is located at a specific point or location.


at - specific place

at home, at the bus 


at - public places and institutions

at the station, at school


at - with "bottom", "back", "end", "front"

at the bottom of the page, at the top, at the side


Jane is waiting for you at the bus stop.

I was at the cinema yesterday.

Turn left at the end of the street.




What's the difference between these two sentences?


She's at the library.

the emphasis is on the her location and the type of place she has gone to.


She's in the library.

the emphasis is on the type of building she is in.


Both of these sentences are fine to answer the question "Where is she?"