Nagasaki Prefecture, an unification of former provinces of Hizen, Tsushima, and Iki, has had close ties with foreign civilization for centuries.
Nagasaki borders Saga Prefecture on the east, and is otherwise surrounded by water, including Ariake Bay, the Tsushima Straits, and the East China Sea.
As of 2002, there are 68,617 Catholics in Nagasaki Prefecture, accounting for 4.52 percent of the total population of the prefecture.
Nagasaki Prefecture has had close ties with foreign civilization for centuries.
During the 16th century, Catholic missionaries and traders from Portugal arrived and became active in Hirado and Nagasaki.
After the prohibition of Christianity in the Edo period, foreign trade was restricted to Chinese and Dutch traders in Nagasaki, but Christianity continued underground.