N.H. Rev. Stat. Ann. § 490-F:2

The circuit court shall be a court of record with statewide jurisdiction. Each circuit court location shall have the authority to hear all cases within the subject matter jurisdiction of the circuit court. Subject to part 1, article 17 of the New Hampshire constitution, nothing in this chapter shall prohibit the reassignment of cases within the circuit court as justice or efficiency requires in the discretion of the administrative judge of the circuit court.