群ぐん馬まぐんまFreq.FrequencyTop 5,000じ字FuriganaMeanings1nounGunma; Gunma PrefectureA landlocked prefecture in the Kantō region of Japan, known for hot springs and mountains.群ぐん馬ま県けんは温おん泉せんで有ゆう名めいです。Gunma Prefecture is famous for its hot springs.