Is the country with the largest area of temperate deciduous forest

North America, Europe, and parts of parts of Russia, China, and Japan.

Explanation:

Temperate deciduous forests can be found in the eastern part of the United States and Canada, most of Europe and parts of China and Japan. The temperate deciduous forest is a biome that is always changing. It has four distinct seasons: winter, spring, summer and fall. Winters are cold and summers are warm.