After World War II, the territory of Veszprém county was again modified: a small region west of Pápa, which used to be part of Vas county, and the northern shore of Lake Balaton, which used to be part of Zala county, were added.
Following World War II, the boundaries of Veszprém county expanded; a section west of Pápa, previously in Vas county, and the northern shoreline of Lake Balaton, once part of Zala county, were incorporated into the county.