所在

所在	suǒ zài	place / location / (after a noun) place where it is located
所	suǒ	actually / place / classifier for houses, small buildings, institutions etc / that which / particle introducing a relative clause or passive / CL:个
在	zài	to exist; to be alive / (of sb or sth) to be (located) at / (used before a verb to indicate an action in progress)