saxon genitive with name of a gym

[AntoniaDef]

I'm working on a poster for the final party of a gym and I came across a doubt. I feel so stupid!
The name of the gym is Dinamica.
The right title is "Dinamica's party" or "Dinamica party"?
I wrote Dinamica party, in the draft, but then I had a doubt about it.
I'm sorry, I know it is a stupid question, but I tried to search on google and I didn't find the correct answer.
Thank you to all of you for your help!

[Josef Essberger]

Dinamica Party

or

Dinamica Gym Party

(if the full name is Dinamica Gym)

[AntoniaDef]

Thank you so much, Josef!
I'm glad I was not wrong

[Josef Essberger]