Indiana Code Title 29. Probate § 29-3.5-2-1

(1) the location of the respondent's family and other persons required to be notified of the guardianship or protective proceeding;

(2) the length of time the respondent at any time was physically present in the state and the duration of any absence;

(3) the location of the respondent's property;  and

(4) the extent to which the respondent has ties to the state such as registering to vote, filing a state or local tax return, registering a vehicle, possessing a driver's license, having social relationships, and receiving services in the state.