The surnames on this page are sorted alphabetically in two ways: by Hamlet and by Surname. The information is primarily derived from the 1945 Cadastre (see full citation below) which was compiled and published in two volumes and used as supporting documentation for the annexation of Istria to Yugoslavia. It contains a variety of inaccuracies, including the spellings of surnames which were mainly Slavicized for the purpose of this study, thus not necessarily consistent with the actual spellings of the surnames at that time or in prior periods (some of which will be included here in green), as is also the case with the names of the towns and hamlets. We present this information solely for genealogy research purposes.