It’s high time the ones who need visa to enter RF got it. All visa requierements are available at our website: http://eurocon2015.org/en/about-st-petersburg/receipt-visa/
If you have booked the hotel already its administration can provide the visa centre with necessary papers. The hotel list is available on the map - http://eurocon2015.org/en/about-st-petersburg/map-eurocon/
In case you need any help in visa achievement contact us directly or via website.
P.S. We advise mark ”tourism” as purpose of stay, because the purpose of ”cultural event visiting” reauires another type ov visa document which is much more complicated to get.