Final answer:
The coordinates 35 N latitude, 78 W longitude are located in the state of North Carolina, in the eastern region of North America within the United States.
Step-by-step explanation:
The coordinates 35 N latitude, 78 W longitude place us in the eastern region of North America, specifically within the state of North Carolina in the United States. This region encompasses areas from southern Maine to North Carolina, spanning latitudes from approximately 34N to 43N and longitudes from around 70W to 74W. Therefore, these coordinates fall within the geographical scope of North Carolina, which is well-known for its diverse landscapes ranging from the Atlantic seaboard to the Appalachian Mountains.