Skandapurana 17.14.87

17.14.87

deśānāmuttamo deśo girīṇāmuttamo giriḥ ..
kṣetrāṇāmuttamaṃ kṣetraṃ nadīnāmuttamā sarit .. 87 ..

Of all countries, this is the best country; of all mountains, this is the best mountain; / of all sacred fields, this is the best sacred field; of all rivers, this is the best river;