  New BABAR results on B mesons and quarkonia are presented: an analysis of B+
--> X(3872)K+ and B0 --> X(3872)K0 decays with X(3872) --> J/Psi pi+pi-, a
precise measurement of the B mass difference Delta mB = m(B0) - m(B+) and a
study of hadronic transition between Upsilon mesons.
