Alabama Code 8-17-153. Jurisdiction in enforcement of division

circuit: means judicial circuit. See Alabama Code 1-1-1
Jurisdiction: (1) The legal authority of a court to hear and decide a case. Concurrent jurisdiction exists when two courts have simultaneous responsibility for the same case. (2) The geographic area over which the court has authority to decide cases.
state: when applied to the different parts of the United States, includes the District of Columbia and the several territories of the United States. See Alabama Code 1-1-1

District courts shall have original and concurrent jurisdiction along with the circuit courts of the state in the enforcement of this division.