Hello everebody! Ulya is my favourite MET-model too.
Well, I know that she's from Kiev (Ukraine). Some information you can get here
http://shockmodels.info/forum/viewtopic.php?t=348
and some of her HQ sets were posted here
http://forum.burek.co.yu
You need to be registred to view the last link. Unfortunately, the "Search" option is disabled on this site, but I'm sure that there are few more sets of Ulya... if anyone will find them, please, let us know.
At the MET-art site you can find her as Voronin's Ulya B.
If you have any infomation to share please contact me
jovan_parahodov@mail.ru