Indonesia (インドネシア Indoneshia?) is an island state and archipelago in Southeast Asia. Its capital Jakarta was the base of the SR Unit and one of the sites of Plan KK.

In the anime, Kasper Hekmatyar's contact Colonel Nualkhair, who was originally from an unspecified Southeast Asian country, was changed to being Indonesian.

Some of the bank accounts Koko used to manage her finances were also from Indonesia, the bank called Mandiri.