Historical Geography of the Medieval Andalusian City of Barcelona

The city of Barcelona is located in the northeast of the Iberian Peninsula on the Mediterranean Sea, and it was inaugurated in the year 94 AH / 712 AD, after which it turned into a base for the Islamic armies that retreated to Gaul, and continued under Islamic rule for about ninety years, so that the Christians could then regain it, and it is the first of the frontiers. Andalusia, which fell in the hands of the Christians, in the year 185 AH / 801 A