There was a D16z1 engine available in other countries. It came up once before on this forum and I also thought that the poster meant D15z1.
It must not be common, it's not even listed on wikipedia:
http://en.wikipedia.org/wiki/Honda_D_engine
edit: found some info on the D16z1
The same configuration of engine, with matching power output levels, (120ps at the same rpm), is also available in what can best be described as 'lesser' markets for Honda. This engine then often powers the top models for that market. An example is the Malaysian domestic line-up, which for the previous and current generation has a Honda Civic 1.6EXi which is powered by a 120ps 1.6l SOHC PGM-Fi engine but coded as SM16A. Similary, for the equivalent EF-generation, the Malaysian domestic line-up has a top model, the Honda Civic 1.6EX which is powered by a 105ps 1.6l SOHC Dual-Carb'ed engine coded as D16Z1. There is a distinct possibility that these engines are localised export versions of the 'master' JDM ZC engine.
from
http://asia.vtec.net/topics/zc.html