three mountains
Refers to three specific mountains, often in set phrases like 日本三山 (Three Mountains of Japan) or 出羽三山 (Three Mountains of Dewa).
The Three Mountains of Japan are Mount Fuji, Mount Tate, and Mount Haku.
three shrines of Kumano
Specifically refers to the three grand shrines of Kumano: Hongū Taisha, Hayatama Taisha, and Nachi Taisha. Often used in historical or religious contexts.
three kingdoms of Okinawa
Historical term for the three kingdoms (Hokuzan, Chūzan, Nanzan) that existed in Okinawa during the 14th and 15th centuries.
The Three Shrines of Kumano consist of Hongū Taisha, Hayatama Taisha, and Nachi Taisha.
During the Three Kingdoms period, Okinawa had three kingdoms: Hokuzan, Chūzan, and Nanzan.
three main Kumano shrines
Compound of 三 (san, 'three') and 山 (zan, 'mountain'). The specific referents vary by context.