Kokkyo naki Kodomotachi (KnK), or Children without Borders, is a humanitarian educational association to support children and youth in Asia and tell other children and youth in the world, particularly in Japan, about the situation of those underprivileged children.
KnK was established in 1997 by Medecins Sans Frontiers Japon to support its Educational Project, and became independent and got the status of Non Profitable Organization (NPO) in 2000.