Makhachkala is the caipital ceety o the Republic o Dagestan, Roushie. It is locatit on the wastren shore o the Caspian Sea an is hame tae the Makhachkala Grand Mosque, ane o Roushie's lairgest. Accordin tae the preliminary results o the 2010 Census, the ceety haed a population o 577,990.