Pervomayskoye (; , ÃÂç-Avlaq) is a rural locality (a selo) in Kayakentsky District, Republic of Dagestan, Russia. The population was 8,930 as of 2010. There are 90 streets.
Pervomayskoye is located 20 km northwest of Novokayakent (the district's administrative centre) by road. Sagasi-Deybuk and Izberbash are the nearest rural localities.
Dargins live there.