Structure of the sentence

[Tvita]

What parts of speech are "while" and "overseas" in the following sentence?

Secondly, studying the basics of English at secondary school is less stressful than learning the language while overseas.

 

[susiedqq]

than / learning / language
(where??)
while / overseas.

adverbial phrase modifying learning

 

[Tvita]

Overseas is noun, adverb or another part of speech in this case?

 

[susiedqq]

overseas is definately a place, in this sentence.

 

[Tvita]

So it is a noun in this case?

 

[Anglika]

overseas is definitely a place, in this sentence.

;-)

 

[aggelos]

while is a subordinating conjunction of time.
overseas is an adverb of place.

Note that while overseas is an elliptical clause; in full it would be something like: while you are overseas.