I know there are at least two grfs that provide town names in Russian, but this one is special (note the XL
It contains almost every toponym that appears on the map of Russia at least twice. Not a single name is generated, every one of them is real. 15810 unique names to give your game some Russian flavour while waiting for George to finish his xUSSR set with loooong carriages.
Also, it doesn't use Cyrillic script, so you won't have to mess with fonts and encodings to find out what the hell Петушки is. It's Petushki in this GRF.
Feedback will be much appreciated.