If your situation is acute, you should contact the police immediately, at (+45) 114.
If your situation is not acute, and your child has been abducted to or is being retained in a state which has not acceded to either of the conventions, the Child Abduction Unit handles the case in cooperation with the Ministry of Foreign Affairs.
You may contact the Child Abduction Unit, which coordinates the efforts to get your child back, at: +45 40 50 50 26, or you may contact the Ministry of Foreign Affairs directly, at their duty telephone number: +45 33 92 11 12.
Go to the Ministry of Foreign Affairs for more information about how they can help you (webpage in Danish)
Find more information about how the Child Abduction Unit can help you