Kammala jumla mai zuwa: Da'irar Rhine () ko da'irar Rhine, wani lokacin Bavarian (ko ), shine sunan da aka ba wa yankin da ke yammacin kogin Rhine daga 1816 zuwa 1837 wanda ya kasance ɗaya daga cikin gundumomi 15 (daga baya 8) na masarautar Bavaria. Kafin da
Yaƙe-yaƙe na juyin juya halin Faransa (1792) yawancin ƙasar sun kasance na Electoral Palatinate. A taron na Vienna a 1815 an fara alkawarinsa ga Daular Austria bayan da yake karkashin wani na wucin gadi hadin gwiwar Austro-Bavarian gwamnati tun 1814. Duk da haka, a cikin Yarjejeniyar Munich (1816), Austria ta ba da yankin ga Bavaria.