Some question ? your mode of transport/Your trip from Islamabad or Lahore etc
Day 1 =
Isl/Lhr to chilas -Overnight stay in chilas
Day 2=
Chilas to Hunza- Overnight stay in hunza
Day 3=
Visit hunza town -Altit Fort -Baltit Fort -Gardens -Overnight stay at Hunza
Day 4 =
Visit Attabad lake -Eagle nest -Duikar viewpoint -Overnight stay at Eagle nest
Day 5 =
Hunza to Nagar minapin -lunch at minapin /sight seeing/Rakaposhi peak views and then to Gilgit-Overnight stay at Gilgit
Day 6 =
Gilgit bazar and few other places - Return to Islamabad /lahore
Plus this is just the rough itinerary , there are lots of places you can go...
Budgeted cost for this week trip is around 12,000-20,000 Rs