STMPolyFromWKB (geography Data Type)
Applies to: 
SQL Server
Azure SQL Database
Azure SQL Managed Instance
Returns a geographyMultiPolygon instance from an Open Geospatial Consortium (OGC) Well-Known Binary (WKB) representation.
Syntax
STMPolyFromWKB ( 'WKB_multipolygon' , SRID )
Arguments
WKB_multipolygon
Is the WKB representation of the geographyMultiPolygon instance you wish to return. WKB_multipolygon is a varbinary(max) expression.
SRID
Is an int expression representing the spatial reference ID (SRID) of the geographyMultiPolygon instance you wish to return.
Return Types
SQL Server return type: geography
CLR return type: SqlGeography
OGC type: MultiPolygon
Examples
The following example uses STMPolyFromWKB() to create a geography instance.
DECLARE @g geography;
SET @g = geography::STMPolyFromWKB(0x01060000000200000001030000000100000004000000F4FDD478E9965EC0DD24068195D3474083C0CAA145965EC0508D976E12D34740F4FDD478E9965EC04E62105839D44740F4FDD478E9965EC0DD24068195D3474001030000000100000004000000E7FBA9F1D2955EC08716D9CEF7D34740E7FBA9F1D2955EC0F853E3A59BD447405839B4C876965EC0F853E3A59BD44740E7FBA9F1D2955EC08716D9CEF7D34740, 4326);
SELECT @g.ToString();