(with overseas territories in Haven , Karain , and Otcina .) Capital Surya-Amaterasu Largest city Keihin Official languages National languages : 2 national languages: Gujarati Japanese 26 auxiliary languages : Bengali Bhojpuri Bharatvarsan SL Cocentrican Dhivehi Gondi Hanoswabian German Hindi Kannada Kashmiri Kodava Konkani Korean Malayalam Maithili Marathi Nepali Nipponian SL