Where to let people know of an event space?

I have a question for the assembled experts here on this forum - I don't spend as much time cruising around the non-inworld places, like forums other than this one, so could use some help.

We've just built a theatre/event space. It's free to use, as long as it fits the nature of our sim, which is traditional asian (so a blues band might not feel too at home, if you know what I mean!).

How on earth do I let people know about this being available? I have put it on the forum here that covers Content Creation and Events, so I think I'm pretty well covered on this forum. But where else is it best to put some sort of notice?

Any help would be really appreciated!

If it were me, I'd do a Search for Groups that might hold the kind of events that would best fit, then contact the officers of those groups to see if they're interested.