N.D. Cent. Code § 14-20-40
14-20-40. (605) Venue
14-20-40. (605) Venue
Venue for a proceeding to adjudicate parentage is in the county of this state in which:
1. The child resides or is found;
2. The respondent resides or is found if the child does not reside in this state; or
3. A proceeding for probate or administration of the presumed or alleged father's estate
has been commenced.