An iron-type golf club head comprises a top having an upper surface of the
club head, a sole having a bottom surface of the club head, a toe
connecting between the top and the sole, a heel being in the opposite
side of the toe, a face portion being surrounded by the top, the sole and
the toe, the face portion comprising a thick part having an area
including a sweet spot of the club head and a thin part provided around
the thick part and having a thickness smaller than the thick part, the
thin part comprising at least upper thin part provided between the top
and the thick part, and the upper thin part having a width increasing
from both sides of the toe and the heel toward therebetween.