ISO 3166-2:NU
The serving for the identification of geographical units List of ISO 3166-2 codes for Niue contains only the code for Niue. There are no other partitions.
This code consists of one part only. This is the code according to ISO 3166-1 ( for Niue NU) again. The current country code has not been updated since the publication in 1998.
The subdivision of Niue in 14 districts is for this standard is irrelevant.