That is something I was thinking about. As Russia is enforcing article 242 of its criminal code, and porn studio operations in Russia became for all purposes pretty much illegal, perhaps it could be a good business idea for a big studio, like Gio, to setup additional operations in a country where porn is legal and that does not require Russians to have a visa to travel there, like Serbia. It would be a good opportunity to bring the Russian girls talent pool back to porn.
There are no direct flights between Moscow and Belgrade anymore (because of European Union air space blockade against Russian flights), so there will be an additional cost (around 400 euro) to have the girls flying Moscow-Istanbul-Belgrade, but that will be all. Besides, rental costs in Belgrade are way lower than in Prague, for example. So, while there would be additional logistics costs to take the girls there, operational costs in Belgrade would be also lower, and one thing would compensate for the other.
Another thing is that to have Russian girls coming to any of the EU countries now is basically condemning them to leave their own country and not being able to go back, because of EU policies against Russians. I follow some of those girls on Telegram and they have good lives with their own friends and family in Russia, and so wouldn't want to leave that life behind. Then, enable them to just be able to travel for a weekend or a couple of days to Serbia and then go back to their own country without any issues would be a good incentive to have them coming back to porn.
The Russian studios here in Pornbox had an amazing crop of female talent going on right before the Russian policies changed, and those girls were all top sellers for months, so, for any studio, with a good infrastructure, to bring those girls back would be a huge success, in my humble opinion. Having a hot Russian teen like Stella Jegante, Funky Town or Sasha Paige back would be amazing, and it seems impossible to have then working in Russia and it is terrible to force them to abandon their families and good lives in Russia to bring them to EU countries (besides to have to put them through the aggravation and humiliation of getting visas on EU countries embassies in Moscow).
So, Serbia seems to be a good solution. Porn is legal there. The country is not expensive at all. And it does request visas from Russians.
Just a humble suggestion and some food for thought.