Gunma is the northwestern-most prefecture of the Kanto, and is mostly mountainous in the north, with more of the population concentrated in the southern half facing Saitama Prefecture.
Gunma is said to be shaped like a crane in flight (Jomo Karuta).
The prefectural symbol consists of the first kanji of the word 'Gunma' surrounded by three stylized mountains symbolizing the three important mountains of Gunma Prefecture: Mount Haruna, Mt.