What is the Name the game similar to ice hockey and played almost exclusively in the Scandinavian counries the baltic countries and in Mongolia?

The game you're referring to is called "bandy." It is similar to Ice Hockey but is played on a larger field with a ball instead of a puck, and players use curved sticks. Bandy is particularly popular in Scandinavian countries, the Baltic states, and Mongolia, where it has a dedicated following and organized competitions.