VK (originally VKontakte) is the largest European social network based in St. Petersburg. It is available in several languages, but is especially popular among Russian-speaking users. Like other social networks, VK allows users to message each other publicly or privately, to create groups, public pages and events, share and tag images, audio and video, and to play browser-based games.

VK (originally VKontakte) is the largest European social network based in St. Petersburg. It is available in several languages, but is especially popular among Russian-speaking users. Like other social networks, VK allows users to message each other publicly or privately, to create groups, public pages and events, share and tag images, audio and video, and to play browser-based games.