Where to sleep, when you want to climb Triglav

Bled, Kranjska Gora or Mojstrana are good places to stay if you want to climb Triglav

You should check this places for accommodation:
In Bled I recommend:
http://www.lukanc-bled.com/en/price-list  this one is 2,4 kilometers out of Bled center, but about 30 minute walk
or one of the numerous hostels in Bled: 
In Kranjska Gora:
Or the closest to the departure of the hike, Mojstrana village. There is a nice hostel(great value for the money you pay), but not much things to do around:
Direct email of the host is ursaa.hrovat@gmail.com
If you are climbing it over the valley of the seven lakes, Bohinj is a good place to stay. Here are some good options: