Point (geometry Data Type)
Applies to: 
SQL Server
Azure SQL Database
Azure SQL Managed Instance
Constructs a geometry instance representing a Point instance from its X and Y values and an SRID.
Syntax
Point ( X, Y, SRID )
Arguments
X
Is a float expression representing the X-coordinate of the Point being generated.
Y
Is a float expression representing the Y-coordinate of the Point being generated.
SRID
Is an int expression representing the spatial reference ID (SRID) of the geometry instance you wish to return.
Return Types
SQL Server return type: geometry
CLR return type: SqlGeometry
Remarks
Examples
The following example uses Point() to create a geometry instance.
DECLARE @g geometry;
SET @g = geometry::Point(1, 10, 0);
SELECT @g.ToString();