1 apart
If two people apart, they are not in each other's company.
- They could not bear to be apart.
Note that you do not use 'apart' in front of a noun.
2 'apart from'
You use apart from when you mention an exception to a statement that you are making.
- Apart from Ann, the car was empty.
- She had no money, apart from the five pounds that Christopher had given her.
When apart is used in sentences like these, it must be followed by from and not by any other preposition.
Note that in American English aside from is often used instead of apart from.
- Aside from the location, we know little about this park.
