This is the 17207th most frequent Korean word.
서울r
"서울r" appears to include a typographical error; the correct word is "서울," which means "Seoul," the capital city of South Korea.
Here, "서울" is used as a proper noun to refer to the city itself.
서울은 한국의 수도입니다.
Seoul is the capital of Korea.
In this sentence, "서울에서" specifies location, indicating a place within Seoul.
서울에서 가장 유명한 관광지는 어디입니까?
What is the most famous tourist attraction in Seoul?
The term "서울에" denotes destination, suggesting movement towards or to Seoul.