Q. Which two countries were involved in the "Batek Island Dispute"?
Answer: Indonesia and Timor-Leste
Notes: Timor-Leste and Indonesia were the two countries involved in the Batek Island (or Fatu Sinai Island) Dispute, claiming ownership of territories. Batek Island or Pulau Batek or Fatu Sinai is a small island located between Indonesia and Timor-Leste off the northwest coast of Timor Island in the Savu Sea. The island was formally decided to be part of Indonesia after the dispute was amicably settled with Timor-Leste.