distribution of the name "Katzer" in
[A map showing the absolute distribution is here]
Taking the population density into account, most Katzers are found in the district of Landkreis Bautzen, 305 telephone mainlines per milllion inhabitants. The family has almost vanished from the district of Karlsruhe. Here we find the fewest telephone mainlines.
Source: Geogen Onlinedienst