This is the 9298th most frequent Japanese word.
白頭山
"白頭山" (Hakutōzan) refers to Mount Paektu, a volcanic mountain on the border of China and North Korea.
白頭山 is used here to refer to the geographical feature known as Mount Paektu as a proper noun.
白頭山はアジアで有名な観光地です。
Mount Paektu is a famous tourist destination in Asia.
白頭山 specifies the mountain to describe its location and related geographical features, such as the lake.
白頭山のふもとには美しい湖があります。
There is a beautiful lake at the base of Mount Paektu.
白頭山 is used in the context of an article, emphasizing its historical and cultural significance.