Triantafyllia (, before 1988: äÃÂùñýÃÂñÃÂàûûùÃÂà- Triantafyllies, before 1927: ÃÂñÃÂüÿàÃÂöî - Machmoutzi) is a village and a community in Visaltia municipality, Serres regional unit, Central Macedonia, Greece. The population was 892 in 2001, but had dropped to 431 by 2021.