Orthetrum sabina is an oriental species showing a huge range going from Australia, Japan and Micronesia to North Africa. They are even covered in the European Dragonfly Bible by Dijkstra/Lewington because they are found on the Mediterranean coast of Turkey which it includes as part of that region. Dijkstra’s book gives them the vernacular name of Slender Skimmer.
These were one of our more frequent finds on our initial trip to SE Asia, where Singapore refers to them as the Variegated Green Skimmer. We have since bumped into a single example in Hong Kong Park in 2017.
They don’t really look like most of the other “Skimmers” with which I’m familiar but they are an Orthetrum, nonetheless.