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Olgina is a small borough (') in Vaivara Parish, Ida-Viru County in northeastern Estonia. At the 2011 Census, the settlement's population was 459, of which the Estonians were 37 (8.1%). ==References == 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Olgina」の詳細全文を読む スポンサード リンク
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