"Dajla" is/ was the spanish transcription of Dakha   -  not a borough

https://de.wikipedia.org/wiki/Ad-Dakhla :
Ad-Dakhla (Arabic الداخلة ad-Dāchla, DMG al-Dāḫila, Tamazight: ⴷⴰⵅⵍⴰ), also Dakhla, Spanish spelling Dajla