Skandapurana 5.227.228

5.227.228

iti śrīskānde mahā purāṇa ekāśītisāhasryāṃ saṃhitāyāṃ ṣaṣṭhe nāgarakhaṇḍe hāṭakeśvarakṣetramāhātmye jalaśāyyupākhyāne brahmadattavarapradānoddhatāndhakāsurakṛtaśaṃkarājñāva mānanavarṇanaṃnāmāṣṭāviṃśatyuttaradviśatatamo'dhyāyaḥ .. 228 ..

Thus ends the two hundred and twenty-eighth chapter, entitled "The Description of the Disrespect to Śaṃkara's Command Committed by the Demon Andhaka, Who Was Arrogant Because of the Boon Granted by Brahmā," in the narration of Jalaśāyin, in the Māhātmya of the Hāṭakeśvara Sacred Field, in the sixth [section], the Nāgarakhaṇḍa, in the Skanda Mahāpurāṇa of eighty-one thousand verses. 228