How to get a visa to Russia?
Foreign citizens are obliged to obtain Russian visa for moving in the Russian Federation. Alien citizens of the visa-free entry countries are an exception to the mention rule.
Russian visa is a document put on your passport. Such document permits you to stay in Russia for a defined period of time. A visa includes a validity period, information about a trip, passport data and sometimes it includes a photograph. One may obtain a visa in the Russian consulships or embassies.
One requires a visa invitation letter (or proof facilitation) for obtaining a visa. Invitation may be given by Russian organization, but only that one, which possesses a special reference number and accreditation in the Ministry of Foreign Affairs.
The best information about documents, which are required for Russian visa, may be found in the embassy of the Russian Federation in your county (this list may be altered from one country to another one).