Location. Business Hotel Shin Namba 1 Gokan is located in Osaka's Namba neighborhood, close to Osaka Prefectural Gymnasium, Osaka Castle, and Shinsaibashi Shopping Arcade. Nearby points of interest also include Tsutenkaku Tower and Shitennoji Temple. Notifications:The Japanese Ministry of Health, Labour, and Welfare requires all international visitors to submit their passport number and nationality when registering at any lodging facility (inns, hotels, motels, etc. ). Additionally, lodging proprietors are required to photocopy passports for all registering guests and keep the photocopy on file.