Mich. Comp. Laws § 600.816

Sec. 816. (1) A probate judge shall hold sessions of the probate court at the county seat of each county, unless an alternative primary location is designated as provided in subsection (3), and may hold sessions of the probate court in a city of the county where sessions of the circuit court are authorized by law to be held. A probate judge may maintain an office at a place where sessions of the probate court are held. (2) A probate judge may hold sessions of the court at the regional diagnostic and treatment center assigned to his or her court if sessions are approved by the state court administrator. The center shall provide an area for court sessions to which the public has access. (3) Subject to the approval of the county board of commissioners and the state court administrator, the chief probate judge of a county may designate 1 or more places in the county where regular sessions of probate court may be held. A designation made under this subsection shall be delivered to the county clerk. (4) Nothing in this section prohibits a judge from holding a hearing regarding an allegedly incapacitated individual or an allegedly mentally ill person at a site considered appropriate by the court as provided by section 5304 of the estates and protected individuals code, 1998 PA 386, MCL 700.5304, or section 456 of the mental health code, 1974 PA 258, MCL 330.1456. Nothing in this section prohibits a judge from holding a hearing regarding an individual alleged to need protection at a site the court considers appropriate as provided by section 5406 of the estates and protected individuals code, 1998 PA 386, MCL 700.5406.