I know that there is a lot of answers on this question, but i am new in Django and i dont know how to implement these solutions. First what i want to do. This is my models:<
You can use Jquery plugin chained.
Example: http://codepen.io/anon/pen/EapNPo?editors=101
HTML
--------- Colombia Rusia --------- Bogotá Moscú San Petersburgo Valledupar
js
$("#id_city").chained("#id_country");
Generate form with models (ForeignKey)
Go to https://axiacore.com/blog/django-y-selects-encadenados/ complete tutorial