La. Code Civ. Proc. art. 4542
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
Venue for an interdiction proceeding is the parish where the defendant is domiciled, where he resides if he has no domicile in this state, or where he is physically present if he has no residence in this state.
La. C.P. § 4542