Where is the group know as the Tranyslvanian Saxons?
If you guessed that they don't live in Transylvania anymore, you would be partly correct. They have a small minority, about 1% left in Transylvania.
The rest are spread across the globe, Many living in Austria and Germany, some in the United States and Canada.
What is their most important cultural gift to Transylvania?
The fortified church and cities. Go and visit them some time.