Minn. Stat. § 501C.0207: VENUE.

(a) Except as otherwise provided in paragraph (b), venue for a judicial proceeding involving a trust is as follows:

(1) in the case of a trust created by will, in the district court for (i) the county of this state where the will was probated, (ii) the county of this state where a trustee having custody of part or all of the trust assets resides or has a trust office, or (iii) the county of this state in which the trust's principal place of administration is or will be located upon approval by the court;

(2) in the case of a nontestamentary trust, in the district court for (i) the county of this state where a trustee having custody of part or all of the trust assets resides or has a trust office, or (ii) the county of this state in which the trust's principal place of administration is or will be located upon approval by the court; or

(3) in the case of a trust holding real property, in the district court for any county in which the real estate is situated.

(b) In the case of a trust with respect to which there have been prior court proceedings in this state, a petition under sections 501C.0201 to 501C.0206 must be filed in the court in which the prior proceedings were held, absent approval from the prior court.