Tragilos

{{for|the ancient town|Tragilus}}

{{Infobox Greek Dimos

|name = Tragilos

|name_local = Τράγιλος

|type = municipal unit

|image_map = DE Tragilou.svg

|map_caption = Location within the regional unit

| periph = Central Macedonia

| periphunit = Serres

|municipality = Visaltia

|pop_municunit = 3104

|pop_community = 417

|population_as_of = 2021

|area_municunit = 197.8

|elevation =

|coordinates = {{coord|40|53|N|23|45|E|format=dms|display=inline,title}}

|postal_code =

|area_code =

|licence = ΕΡ

|website =

}}

Tragilos ({{langx|el|Τράγιλος}}, {{IPA|el|ˈtraʝilos}}) is a village and a former municipality in the Serres regional unit, Greece. Since the 2011 local government reform it is part of the municipality Visaltia, of which it is a municipal unit.{{Cite web|url=http://www.et.gr/idocs-nph/search/pdfViewerForm.html?args=5C7QrtC22wGYK2xFpSwMnXdtvSoClrL81-32jgAMSfbnMRVjyfnPUeJInJ48_97uHrMts-zFzeyCiBSQOpYnT00MHhcXFRTsb2fGphpq4MKX2ZkaHobySNnvZCNHXvYVvlf80XevW0Q.|title=ΦΕΚ B 1292/2010, Kallikratis reform municipalities|language=el|publisher=Government Gazette}} The municipal unit has an area of 197.758 km².{{cite web|url=http://dlib.statistics.gr/Book/GRESYE_02_0101_00098%20.pdf|publisher=National Statistical Service of Greece|title=Population & housing census 2001 (incl. area and average elevation)|language=el}} Population 3,104 (2021). The seat of the municipality was in Mavrothalassa.