In Croatia, Klimczak families are Croats by relative majority (from the Island of Cres ), equally Poles (from Osijek area ).
Prevalence
Only a few people with faimily name Klimczak live in Croatia today, in three households only. They are located in only threee Croatian places: in Orlec on the Island of Cres (<5), Osijek (<5), and in Vardarac in Osijek area (<5).