This is the 1252nd most frequent Korean word.
홍콩
Hong Kong.
In this sentence, "홍콩" refers to the geographical location, Hong Kong, used as the destination of travel.
나는 작년에 홍콩을 여행했어요.
I traveled to Hong Kong last year.
Here, "홍콩" is used to describe the place and its characteristic as a bustling city.
홍콩은 활기찬 도시로 유명합니다.
Hong Kong is famous as a vibrant city.
In this sentence, "홍콩" specifies the place where the action of making friends took place.