Two weeks is the minimum needed to skim the surface of what Japan can offer. The capital, Tokyo, and the former imperial city and thriving cultural centre of Kyoto, will be top of most visitors’ lists of where to go, and deservedly so, but you could avoid the cities entirely and head to the mountains or smaller islands to discover an alternative side of the country, away from the most heavily beaten tourist tracks.
Read more: http://www.roughguides.com/destinations/asia/japan/where-to-go/#ixzz3hC5Y4ztX