Pfaffenhofen is situated on the Zaber in the Zabergäu in the southwest of the district of Heilbronn.

Pfaffenhofen has combined with Güglingen and Zaberfeld to form a joint association of administrations called Oberes Zabergäu.

Apart from the main village of Pfaffenhofen there's the municipal part Weiler an der Zaber.

The village Rodenbach which doesn't exist anymore was situated on the communal land of Pfaffenhofen.

The oldest known seal of Pfaffenhofen proved from 1482 to 1611 shows a human figure behind a fence: a talking arms, a priest (cleric) in a yard.

The arms was confirmed by the ministry of the interior on November 13, 1956, the flag was given by the district of Heilbronn on January 31, 1980.

[4] Bigger local factories are Lang-Verpackungen and Betonwerk Volland GmbH with 70 employees each one.