The Law - The Illinois Probate Act of 1975 - Sec. 11-6

(755 ILCS 5/11 6) (from Ch. 110 1/2, par. 11 6)
   
Sec. 11 6. Venue.) If the minor is a resident of this State, the proceeding shall be instituted in the court of the county in which he resides. If the minor is not a resident of this State, the proceeding shall be instituted in the court of a county in which his real or personal estate is located.

(Source: P.A. 80 1415.)