In Croatia, Grdanić families are Croats (from Garesnica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Garesnica and in Garesnica area.
Prevalence
Only a few people with faimily name Grdanić live in Croatia today, in one household only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in only one small Croatian place, in Velika Trnava in Garesnica area (<10).
Outside Croatia
Family name Grdanić is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1926 in source Emigration Commission Zagreb.