Gunma is a prefecture in the Kanto region of Japan. Gunma is a rural part of Japan with hot springs, a safari park, and plenty of hiking. For anime fans, Gunma is also the backdrop for the popular street racing/drifting anime called "Initial D". Gunma prefecture is said to be shaped like a crane in flight,so there is a card - Tsuru mau katachi no gunma-ken in Jomo Karuta(Japanese card game). In general, Japanese women are strong and they called "Kakaa-tenka". It means a man married a woman from Gunma are henpecked. http://wikitravel.org/en/Gunma