In Croatia, Lankaš families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
Only a few people with faimily name Lankaš live in Croatia today, in three households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in one Croatian city only, in Zagreb (<10).
Outside Croatia
Family name Lankaš (including: Lankas , Lanchas and Llancas ) is present in 15 countries on four continents. The family name "Lankas " is used by some 60 people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.