Why it belongs here
Guslitsa, Guslica, or Guslicy (Russian: Гу́слица, Гу́слицы) is a region situated in the eastern part of Moscow Oblast. Guslitsa is famous for it was almost entirely inhabited by the Old Believers, mainly popovtsy (Belokrinitskaya Hierarchy, now — Russian Orthodox Old-Rite Church).
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