Syntax\n------\n\nST_Area(poly)\nArea(poly)\n\nDescription\n-----------\n\nReturns as a double-precision number the area of the Polygon value poly, as measured in its spatial reference system.\n\nST_Area() and Area() are synonyms.\n\nExamples\n--------\n\nSET @poly = 'Polygon((0 0,0 3,3 0,0 0),(1 1,1 2,2 1,1 1))';\n\nSELECT Area(GeomFromText(@poly));\n+---------------------------+\n| Area(GeomFromText(@poly)) |\n+---------------------------+\n|                         4 |\n+---------------------------+\n\nURL: https://mariadb.com/docs/server/reference/sql-statements/geometry-constructors/polygon-properties/st_area