Do you know of any free GIS sources of the Israeli administrative divisions: districts (mechozot, מחוזות) and subdistricts (nafot, נפות) which rely on official government information?
I heard there is a some free US government source, but failed to Google it.
The Israeli government has opened a national GIS website. The UI will make your eyes bleed, the interface is only in Hebrew and there is no way to download the source files, only "save map as image".
On the other hand, it's the only official source. The map can be zoomed and downloaded chunk-by-chunk and georeferenced using QGis or alike. Depending on the required accuracy, this process can take anywhere between 30 minutes to a few hours and produce good-enough results.