During the period of Al - Andalus and Muslim caliphates along the lines of the Roman - Visigothic delineations .
Al - Andalus and Muslim caliphates is the Iberian peninsula was divided administratively into provinces ( kuwar ) and municipalities ( kurar ) .
During the period of Al - Andalus and Muslim caliphates , the Iberian peninsula was divided administratively into provinces ( kuwar ) and municipalities ( kurar ) , along the lines of the Roman - Visigothic delineations .