Hey, you have many options. If you are looking to stay in one of the costal towns you can check Kotor, Budva or Herceg Novi. I personally recommend Herceg Novi, I had a great holiday there when I was a child. You can check out my travel vlog from a recent trip to Balkans, maybe you will find it… More
Kotor or Budva is good to stay ! If you like private a party, plenty available there - check for MH hostels - they will help you and if you need transportation and guide they will arrange it for you and take you to hidden gems