TWICE are a 9 member girl group based in South Korea. The group is comprised of 5 South Korean members, Nayeon, Jihyo, Jeongyeon, Dahyun, and Chaeyoung; 3 Japanese members, Mina, Momo, and Sana; and 1 Taiwanese member, Tzuyu. Because of their incredible popularity, they have earned the nickname The Nation's Girl Group.