Troitsk () is a rural locality (a settlement) in Kalmansky Selsoviet, Kalmansky District, Altai Krai, Russia. The population was 605 as of 2013.Численность населения по муниципальным образованиям на 1 января 2011, 2012, 2013 гг. (в том числе по населённым пунктам) по данным текущего учёта There are 7 streets.
Geography Troitsk is located on the right bank of the Kalmanka River, 4 km southeast of Kalmanka (the district's administrative centre) by road. Kalmanka is the nearest rural locality.Расстояние от Троицка до Калманки
References