I modified it from a kit from Trigames Assets. You can buy it on the Asset Store.

you can buy the club online they are modular pack you can edit it yourself add rooms

Hi, your nightclub looks amazing. Did you buy the template from unity to make this?

Welcome to Club Flatland! Come hang out, meet great friends, and listen to some great mixes and live events.

It was a great pleasure to create this space for you Flatland Funk, and a huge amount of fun