Section 633A.6104 - County of venue1. A proceeding may be commenced in the county in which the trust's principal place of administration is or is to be located and if the trust is created by will, also in the county in which the decedent's estate is administered.2. If a trust not created by will has no trustee, a proceeding for appointing a trustee shall be commenced in the county in which a beneficiary resides or the trust property, or some portion of the trust property, is located.3. Except as otherwise provided in subsections 1 and 2, a proceeding shall be commenced in accordance with the rules applicable to civil actions generally.