  We present here the preface and the Table of Content of the Proceedings of
the Conference "Baryons in Dark Matter Halos" held in Cittanova/Novigrad (HR)
on 5-9 October, 2004 and published on-line by PoS (http://pos.sissa.it) which
is a new versatile, online proceedings and lecture notes publication service
launched by SISSA, Trieste.

Astrophysics