This is the 2296th most frequent Japanese word.
鷹栖
"鷹栖" (Takasu) is a place name in Japan, referring to a town in Hokkaido.
Here, 鷹栖 is used as a proper noun referring to a geographical location.
「鷹栖」という地名は、北海道に位置しています。
The name "Takasu" refers to a place located in Hokkaido.
In this sentence, 鷹栖 is again a place name, identifying the location related to the friend.
鷹栖に住んでいる友人が、地元の祭りについて教えてくれました。
My friend who lives in Takasu told me about the local festival.
The term 鷹栖 here points to the scenic qualities of the geographical area it designates.