For obtaining the detailed information concerned arrival in Belarus and visa issues you should follow the link below (website of the Ministry of Foreign Affairs of the Republic of Belarus):
Following the link below you can see the list of countries which citizens don’t need Belarusian visa for arrival.
Since February 12, 2017 Belarus allowed visa-free entry through the border checkpoint at the Minsk National Airport and visa-free stay in Belarus for up to 5 days for the citizens of 80 states. The visa-free regime does not apply to people arriving to Belarus by plane from Russia and planning to go to the airports of Russia. Details at