Shiva Purana
अष्टानां लोकपालानां परितस्तदनुक्रमात्॥ यथादिशं यथारूपं पुरोऽष्टावुपकल्पिताः ॥ २८ ॥
All round that city are the eight cities of the eight guardians of the quarters, which have been assigned to them according to their quarters and forms.
english translation
aSTAnAM lokapAlAnAM paritastadanukramAt॥ yathAdizaM yathArUpaM puro'STAvupakalpitAH ॥ 28 ॥
hk transliteration by Sanscript