Etymology and distribution of グラス.

Gurasu* 【グラス】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Toukyou-to , Hyougo-ken , Oosaka-fu . Korean type . Konoyuki of Andong City, Republic of Korea Republic of Korea and the United States Mr. Andoh Ryou was faithful to the Taoists of the Republic of Korea (DPR Korea) (formerly Korea) Kimiyuki of the eastern part of the Republic of Korea (formerly Shila Nation) As it was, tell him that you changed your family name last name. Oosaka-fu Oosaka-shi It is distributed in Momodani Ikeno-ku. 金 Kon reference.

※ First letter surname of Amagi archipelago of Kagoshima-ken . Kagoshima-ken Amami-shi Maasei daimi Okuma originated.