Britannia as a scholarly journal devoted to the study of the Roman province of Britain, has established itself as an authority in the academic world. This journal is one of the most important publications in the study of Roman Britain's history, archaeology and related fields, and regularly publishes high-quality research results every year. Contains authoritative and important articles from experts from all over the world, which have not only had a profound impact on the field of study of Roman Britain, but also provide valuable references for historical and archaeological research in other parts of the Roman Empire. Articles published in the journal undergo a rigorous peer review process, ensuring their academic quality and innovation.

The journal covers a wide range of archaeological discoveries and historical research not only in the Roman province of Britain, but also in the late Pre-Roman Iron Age and post-Roman periods, as well as related research in other provinces of the Roman Empire. This cross-period perspective helps scholars to understand more fully the position and role of Roman Britain in the Roman Empire.