Err, I meant in modern Russia. Taken from the CIA World Factbook:
49 oblasts (oblastey, singular - oblast), 21 republics* (respublik, singular - respublika), 10 autonomous okrugs**(avtonomnykh okrugov, singular - avtonomnyy okrug), 6 krays*** (krayev, singular - kray), 2 federal cities (singular - gorod), and 1 autonomous oblast*****(avtonomnaya oblast’); Adygeya (Maykop), Aginskiy Buryatskiy (Aginskoye)**, Altay (Gorno-Altaysk), Altayskiy (Barnaul), Amurskaya (Blagoveshchensk), Arkhangel’skaya, Astrakhanskaya, Bashkortostan (Ufa), Belgorodskaya, Bryanskaya, Buryatiya (Ulan-Ude), Chechnya (Groznyy), Chelyabinskaya, Chitinskaya, Chukotskiy (Anadyr’), Chuvashiya (Cheboksary), Dagestan (Makhachkala), Evenkiyskiy (Tura), Ingushetiya (Nazran’), Irkutskaya, Ivanovskaya, Kabardino-Balkariya (Nal’chik), Kaliningradskaya, Kalmykiya (Elista), Kaluzhskaya, Kamchatskaya (Petropavlovsk-Kamchatskiy), Karachayevo-Cherkesiya (Cherkessk), Kareliya (Petrozavodsk), Kemerovskaya, Khabarovskiy**, Khakasiya (Abakan), Khanty-Mansiyskiy (Khanty-Mansiysk)**, Kirovskaya, Komi (Syktyvkar), Koryakskiy (Palana), Kostromskaya, Krasnodarskiy*, Krasnoyarskiy***, Kurganskaya, Kurskaya, Leningradskaya, Lipetskaya, Magadanskaya, Mariy-El (Yoshkar-Ola), Mordoviya (Saransk), Moskovskaya, Moskva (Moscow), Murmanskaya, Nenetskiy (Nar’yan-Mar), Nizhegorodskaya, Novgorodskaya, Novosibirskaya, Omskaya, Orenburgskaya, Orlovskaya (Orel), Penzenskaya, Permskaya, Komi-Permyatskiy (Kudymkar), Primorskiy (Vladivostok), Pskovskaya, Rostovskaya, Ryazanskaya, Sakha (Yakutsk), Sakhalinskaya (Yuzhno-Sakhalinsk), Samarskaya, Sankt-Peterburg (Saint Petersburg), Saratovskaya, Severnaya Osetiya-Alaniya [North Ossetia] (Vladikavkaz), Smolenskaya, Stavropol’skiy, Sverdlovskaya (Yekaterinburg), Tambovskaya, Tatarstan (Kazan’), Taymyrskiy (Dudinka)**, Tomskaya, Tul’skaya, Tverskaya, Tyumenskaya, Tyva (Kyzyl), Udmurtiya (Izhevsk)*, Ul’yanovskaya, Ust’-Ordynskiy Buryatskiy (Ust’-Ordynskiy), Vladimirskaya, Volgogradskaya, Vologodskaya, Voronezhskaya, Yamalo-Nenetskiy (Salekhard), Yaroslavskaya, Yevreyskaya*****; note - when using a place name with an adjectival ending ‘skaya’ or ‘skiy,’ the word Oblast’ or Avonomnyy Okrug or Kray should be added to the place name