In Croatia, Tost families are Croats (from Osijek area ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek area and in Osijek.
About 30 people with faimily name Tost live in Croatia today, in 13 households. There were 20 of them in the middle of the past century, and their number increased by 50 percent. They are located in only five naselja i to in Ivanovac (15) and Cepin (10) in Osijek area, Donji Miholjac (<10), Antunovac in Osijek area (<5), and in Osijek (<5).