This is the 7328th most frequent Japanese word.
二階堂
"二階堂" (Nikaidō) is a Japanese surname or place name meaning "Second Floor Hall."
Used as a surname to identify an individual politely.
二階堂さんは親切な人です。
Ms. Nikaidou is a kind person.
Used as a proper noun referring to a specific town or location.
二階堂という町はとても静かです。
The town called Nikaidou is very quiet.
Used as a place name referring to the mansion named Nikaidou.