Horanomiya was an Imperial Palace which Emperor Junnin built in Omi Province in Nara period, which was placed as 'Hokukyo' in the system of multi-capital of Heijo-kyo (the ancient capital of Japan in current Nara).
保良宮（ほらのみや）は、奈良時代に近江国（滋賀県）に淳仁天皇が営んだ皇居で、平城京の複都制「北京」（ほくきょう）とされた。