This is the 4373rd most frequent Korean word.
평양
Pyongyang: The capital city of North Korea.
In this usage, '평양' is part of a noun compound specifying a dish associated with the city.
평양 냉면은 여름철에 인기 있는 음식입니다.
Pyongyang cold noodles are a popular food during the summer season.
In this sentence, '평양' is used as a proper noun indicating the name of the city.
평양은 북한의 수도입니다.
Pyongyang is the capital city of North Korea.
Here, '평양' serves as a destination within a sentence describing travel experience.