Shiva Purana
सप्तसागरगंगाश्च बहिरस्य समंततः ॥ ऋषीन्देवांश्च गंधर्वान्पन्नगानप्सरोगणान् ॥ ३३॥
The seven oceans and the Ganges are all around the outside sages gods gandharvas serpents and hosts of apsaras.
english translation
saptasAgaragaMgAzca bahirasya samaMtataH ॥ RSIndevAMzca gaMdharvAnpannagAnapsarogaNAn ॥ 33॥
hk transliteration by Sanscript