In Croatia, Pajca families are Croats (from Labin area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Pazin.
Prevalence
About 20 people with faimily name Pajca live in Croatia today, in 6 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in two Croatian counties, four cities and two other places, mostly in Pazin (<10), Pula (<10), Smoljanci in Labin area (<10), Porec (<5), and in Tinjan in Pazin area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.