Peribsen was buried in the tomb P of the royal cemetery at Umm el-Qa'ab near Hierakonpolis - Abydos
See:
- William Matthew Flinders Petrie, Francis Llewellyn Griffith: The royal tombs of the earliest dynasties/ 1901: Part II. (= Memoir of the Egypt Exploration Fund. Vol. 21
- http://www.ucl.ac.uk/museums-static/digitalegypt//abydos/abydostombp.html