Nachikatsuura (Nachi Katsuura Town), is a city located in the Higashimuro District in Wakayama Prefecture. With a total area of 183.45 km² and an estimated population of 14.683, including about 93 foreigners, being Brazilian 4, 3 Americans, 33 Koreans, 8 Chinese, 26 Philippines, 14 Thai and others.
It received city status in 1955 with the merger of four cities: Nachi, Katsuura, Ukuimura and Wakamura, in 1960 the municipality expanded to include Shimosato further south and Otamura in the interior of the Ota River.
Kumano Nachi Taisha, one of the three Shrines Kumano, is in Nachi Katsuura. These sanctuaries are part of the Sacred Sites and pilgrimage routes in the Kii mountain range (UNESCO World Heritage Site).
Nachi waterfall (Nachi Falls), with a drop of 133 meters, 13 meters wide and 10 meters deep, it is the waterfall highest in the country with a single uninterrupted drop. There are two rocks at the top that are the guardians of the waterfall and the Shinto shrine that is there.