Recall the history of Austria-Hungary up to 1918 and keep that in mind while you are looking at the records. Here is a map : http://users.erols.com/white28/austhung.htmhttp://users.erols.com/white28/austhung.htm Since they married in the states, I would recommend that you try to get to see what sort of information the church has.You need that name of a village. If they came thru Ellis Island than they should be there. Use this www.jewishgen.org/databases/EIDB/ellis.html It is possible that they came thru Baltimore,Boston or Philadelphia.Need to locate their manifest which should have the name of a village. The thing that there is a mention of Czechoslovakia, I am leaning there. The former country of Czechoslovakia separated into Czech Republic and Slovak Republic.What religion were your ancestors? The surname Kovacs / Kovac^ is just like Smith in US.I have a Kovac in my tree. 12 BERESNYAKs and BEREZSNYAKs came thru Ellis Island. A spelling BREZ^N^AK, BREZN^AK and BEREZN^AK lists in Slovak Republic. www.zoznamst.sk Were they naturalized citizens?Did you look at the 1930 census?That one might have some more information.