A golf club head having a face portion that hits a ball, which includes: a
center thick portion; a portion of a varying thickness in annular form;
and a peripheral thin portion provided around the portion of a varying
thickness, where the peripheral thin portion of which the thickness is
the smaller than that of the center thick portion. The peripheral thin
portion includes a first thin portion and a second thin portion. The
first thin portion is provided in at least one portion of a sole portion,
a toe portion and a heel portion of the peripheral thin portion.