working in or working at

[Unregistered]

could you please tell me the difference between
1. I work in the thai embassy.
2. I work at the thai embassy.

I am not sure of the difference between the two.

[bhaisahab]

could you please tell me the difference between
1. I work in the Thai embassy.
2. I work at the Thai embassy.

I am not sure of the difference between the two.

Both are correct if you capitalise the 't'.