Nick's upset, missing opening of Ukrainian tourist destination (6)

I believe the answer is:

resort

I'm a little stuck... Click here to teach me more about this clue!

'nick's' is the definition.
The definition and answer can be both acts as well as being singular nouns.
Maybe there's an association between them I don't understand?

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for resort that I've seen before include "haunt" , "Scarborough?" , "Here we play" , "Holiday town" , "Place to visit" .)

I've seen this clue in The Independent.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.