Coordinates: 60°11′N 29°28′E / 60.18°N 29.46°E
Smolyachkovo (Russian: Смолячково; Finnish: Luutahäntä) is a municipal settlement in Kurortny District of the federal city of St. Petersburg, Russia, located on the Karelian Isthmus on the northern shore of the Gulf of Finland. Population: 610 (2010 Census);568 (2002 Census).
Before Winter War and Continuation War, she was part of Finland in municipality of Terijoki.