The last town on the Karakorum Highway in Pakistan before the Chinese border is:_________?

The last town on the Karakorum Highway in Pakistan before the Chinese border is:_________?

چین کی سرحد سے پہلے پاکستان میں شاہراہ قراقرم پر آخری قصبہ کونسا ہے؟
Explanation

 Sust is a village in Hunza.

It's the last town in Pakistan on the Karakoram highway before the Chinese border.