The main cities , with more than 5,000 inhabitants in 2012 , in the arrondissement are Narbonne ( 51,869 inhabitants ) , Lézignan-Corbières ( 10,883 inhabitants ) , Coursan ( 6,056 inhabitants ) , Port-la-Nouvelle ( 5,653 inhabitants ) and Sigean ( 5,476 inhabitants ) .
The main cities , with more than 5,000 inhabitants in 2012 , in the `` arrondissement '' are Narbonne ( 51,869 inhabitants ) , Lézignan-Corbières ( 10,883 inhabitants ) , Coursan ( 6,056 inhabitants ) , Port-la-Nouvelle ( 5,653 inhabitants ) and Sigean ( 5,476 inhabitants ) .