Plans to expel communities from land east of Jerusalem and move them to new town in Jordan Valley were drafted without consulting tribes.
Thirty foreign leaders have committed their countries to fighting IS in Iraq, but the Arab countries in particular are exercising extreme caution.
Foreign minister's office says he held 'sensitive diplomatic meetings' and met with Schlaff, Austrian businessman and longtime associate. Most senior ministry officials were not aware of the trip.
After a decade of municipal foot-dragging, possibly intentional, the city's Jews may set their sights on a smaller memorial in an existing structure.