Naruto's Parallel Universe

In the ninja world continent, there are five major ninja villages: Konoha Village, Iwagakure Village, Kirigakure Village, Sand Hidden Village, and Cloud Hidden Village. There are overt and covert fights between the villages, and there are occasional wars, but overall a delicate peace is maintained. According to legend, the ninja world was born from the sacred tree, which gave birth to chakra, which is the root of all ninjutsu.