The village is served by the Izvorul Olt station of Romanian State Railways, on the Războieni-Târgu Mureş-Deda-Miercurea Ciuc-Sfântu Gheorghe-Braşov line.
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Sândominic is located in the upper reaches of the Olt valley, 29 kilometres north of Miercurea Ciuc.
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Áron Márton (1896–1980), longstanding Roman Catholic bishop of Alba Iulia and tireless crusader against Romanian Communism.