This is the 7016th most frequent Korean word.
전역에서
"All over" or "throughout an area."
Here, '전역에서' is used to denote the condition or time regarding the event of military discharge.
전역에서 휴가를 어떻게 계획했는지 말해 줄래요?
Can you tell me how you planned your vacation after your military discharge?
'전역에서' here signifies the extent, referring to the entirety of the national area.
그 배우는 전국 전역에서 널리 알려져 있습니다.
That actor is widely known throughout the entire nation.
This usage denotes involvement or activity across an entire region or area.