If you're a fan of ninjas, you'll be pleased to know that ninjas were indeed real. ... Shinobi lived in Japan between the 15th and 17th Centuries. They were in two areas of Japan: Iga and Koga. The regions surrounding these two villages were ruled by samurai.

How many ninja clans were there?

There were 49 schools of ninja in the country. The most famous were Koka and Iga, in that time situated in different territories but closely related. The Koka clan consisted of 53 families with one head family and many subordinates.

Are ninja and samurai real?

While samurai were real warriors in Japanese history, the stories of mercenaries known as ninjas are, well, kind of fabricated.