city
Aquincum
Óbuda, Budapest, Hungary · North & Northeast Europe
47.559, 19.048
Attested. Archaeologically attested (cemetery chapel, Christian finds).

Aquincum, capital of Pannonia Inferior on the Danube, had a 4th-century Christian community. Its remains include an early Christian cemetery chapel with a three-apsed (cella trichora) plan and Christian burials. Pannonia was a key Christian zone linking the Balkans and the Rhine.
Source stance: neutral. Archaeology.
People and groups named here
- Pannonian Christians (unnamed)
Sources
- Pleiades place 197131: Aquincum Castra
Pleiades Gazetteer (ISAW, NYU). Accessed 2026-11-11.
- Aquincum (Wikipedia)
Wikipedia contributors. Accessed 2026-11-11.
Further reading
Councils here
None in this list.