Jakarta: Thirteen drug offenders on death row in Indonesia are listed to face the firing squad in a further round of executions expected within weeks.

Central Java police spokesman Alloysius Liliek Darmanto told Fairfax Media about 130 officers from BRIMOB - Indonesia's special police operations force - had been prepared to carry out the executions.

Indonesian special police hold a drill in Denpasar, Bali. Credit:AAP

"The current number [of prisoners to be executed] is still 13," he said. "We don't have details of the names. We just wait for instruction from the Attorney-General's Office."

In a further sign the executions are imminent, three prisoners on death row for drug offences were on Sunday night transferred from Batam to Nusakambangan, where the executions will take place.