This is the 16116th most frequent Korean word.
불가리아에
"불가리아에" means "to Bulgaria" in English.
불가리아에 is used to indicate the destination of the action, specifying Bulgaria as the location to travel.
불가리아에 여행을 가고 싶습니다.
I want to travel to Bulgaria.
불가리아에 indicates the destination of the intended travel, i.e., toward Bulgaria.
이번 여름에 불가리아에 갈 예정입니다.
I plan to go to Bulgaria this summer.
불가리아에 highlights the topic of discussion while '불가리아에서' indicates the place where the conversation occurred.