Copceac () is a commune and village in the Gagauz Autonomous Territorial Unit of the Republic of Moldova. The 2004 census listed the commune as having a population of 9,551 people. 9,068 people belong to the Gagauz ethnic group. Minorities included 110 Moldovans, 97 Russians, 71 Ukrainians, 144 Bulgarians and 33 Roma.
Its geographical coordinates are 45ð 51' 6" North, 28ð 41' 33" East.