Nine published samples from Nuštar provide a small but informative window into genetic diversity during the Avar period in Croatia. Because the sample count is fewer than ten, all conclusions are preliminary: population-level interpretations require larger, geographically broader datasets. Still, the observed uniparental markers paint a suggestive picture.
Mitochondrial DNA is dominated by H-lineage types (H16 and general H types accounting for five of the nine samples), with additional J (2), K (1) and H5 (1). These maternal haplogroups are commonly found across Europe and reflect deep continuity of Neolithic farmer and later European maternal lineages in the Balkans. The prevalence of H variants aligns with long-standing female-mediated continuity in the region.
Y-chromosome diversity in the Nuštar sample is limited but noteworthy: two individuals carry haplogroup J, one carries Q, and one carries E (with remaining males unreported or undetermined in this small set). Haplogroup J frequently appears in Near Eastern and Mediterranean contexts in ancient DNA studies and can indicate connections or male-mediated gene flow from southeastern directions. Haplogroup Q is rare in Europe and may signal limited steppe or Inner Asian ancestry entering paternal lines; haplogroup E has deep ties in the Mediterranean and Balkan gene pool. These paternal signals, contrasted with predominantly European maternal lines, suggest asymmetric admixture episodes where incoming males mixed with local female lineages.
Autosomal data would clarify the scale and timing of these admixture events; until then, the genetic narrative for Nuštar remains an evocative, preliminary mosaic reflecting local continuity with episodic external inputs.
