Croatia - Visitor Visa

Hi everyone, I hope you all are well.

I am an Indian national with an ILR in the UK. I am a permanent resident in the UK.

I am looking to visit Croatia in August. I am flying from London to Dubrovnik and back.

I am filling out their visitor visa application form and stuck at some of the questions, namely the following:

22. Country of final destination
23. Border of first entry
28. Entry permit for the final country of destination, where applicable...issued by__________valid from_____until___

If you guys could help, I would really appreciate it.

Many thanks,
Raj