SB 10.79.10
anu-srotena sarayum
prayagam upagamya sah
snatva santarpya devadin
jagama pulahasramam
Translation:
The Lord followed the course of the Sarayu until He came to Prayaga, where He bathed and then performed rituals to propitiate the demigods and other living beings. Next He went to the asrama of Pulaha Rsi.
Purport:
Pulahasrama is also known as Hari-ksetra.