|Province of the Diocese of the East, Byzantine Empire|
|Historical era||Late Antiquity|
• division of the Roman Empire
|Today part of||Turkey|
The province was established under Theodosius I and named after his younger son Honorius. It formed part of the Diocese of Pontus, bordering with Bithynia in the west, Galatia Prima in the south and Paphlagonia in the east.
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