east/eastern 1

[Ann]

Hi,
Would you please tell me if these sentences are correct and natural?
1. We call the east/eastern/Atlantic coast of the US the East Coast.
2. We call the west/western/Pacific coast of the US the West Coast.
Thanks a million.
Ann

[Pete]

Hi,
Would you please tell me if these sentences are correct and natural?
1. We call the east/eastern/Atlantic coast of the US the East Coast.
2. We call the west/western/Pacific coast of the US the West Coast.
Thanks a million.
Ann
They all sound fine to me.