Abbreviations of area subdivisions - European part of the Russian Federation (Rf)
Rf(A):Novaya Zemlya and Franz-Joseph Land
Rf(C):C. European Russia, comprising Kostroma, Tver, Yaroslavl, Vladimir, Nizhniy Novgorod, Smolensk, Moscow, Ryazan, Mordovia, Chuvashia, Ulyanovsk, Kaluga, Tula, Lipetsk, Tambov, Penza, Bryansk, Orlov, Kursk, Voronezh, Belgorod
Rf(CS):Russian Caucasia
Rf(E):E. European Russia, comprising Vyatka, Perm, Udmurtia, Bashkortostan, Tatarstan, Samara, Orenburg
Rf(K):Kaliningrad Region
Rf(N):N. European Russia, comprising Arkhangelskaya, Karelia, Komi, Murmansk, Vologda
Rf(NW):Northwest European Russia, comprising Novgorod, Pskov, St Petersburg
Rf(S):S. European Russia, comprising Saratov, Volgograd, Astrakhan, Rostov, Kalmykiya)

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