may be difficult - having been there, not keen to go back
( even tho Romanian is closely related to Italian )
It is where Ovid ( 50AD) wrote his Tristis ex ponto letters,
I have been to Pontus ( OK 2,000 y later ) and was priddy tristis ( = sad ) as well
So you are looking for a group to travel to Romania with and then do some travelling around Romania. I am sure there will be websites specifically for travellers that do this kind of thing, Sorry I dont know of them.
PP, it looks like an amazing place to tour, I think you just need to get away from the big towns and cities and tour the amazing countryside and cultures.