Districts of Valencia. Algiros is a district of Valencia City and includes the sub-districts of L´Illa Perduda, Ciutat Jardi. Algiros post code 46021 Benicalap is a district of Valencia City and includes the sub-districts of Benicalap and Ciutat Fellera Benicalap post code 46025 Benimaclet is a district of Valencia and includes the districts of Benimaclet