The COH2_Maps_Rostov_US.mp4 file you have requested: Media / Videos and Trailers / Official Videos / Company of Heroes 2 - Rostov Trailer - 195.03mb is not available. Perhaps try browsing all files for the game Company of Heroes 2 and upload any files you want to share or are missing. This is the only information we could locate:
As well as the Case Blue Theater of War mini-pack Relic will be releasing two new multiplayer maps as part of the same patch. The first of these maps, Rostov, is a large scale six player map based around a frozen river. The second, Kharkov is an industrial city scape which will encourage close-quarters fighting and strategic control of key choke points.