狭小: narrow, small

お勉強: studying, studies, study

小東京: miniature Tokyo, epitome of Tokyo

Alternative form of 桃源 (tōgen, “Shangri-La; utopia”)

(military) bridgehead (an area of ground on the enemy's side of a bridge)

(Christianity) Eastern Orthodox Church

狂瀾怒涛: raging rough seas; maelstrom (any violent or turbulent situation)

Short for 関東 (Kantō):: the Kantō region of Japan / Short for 東国 (Tōgoku): a historical administrative division of Japan, corresponding to the modern Kantō and Tōkai regions / Short for 東京 (Tōkyō): Tokyo

(music)

east