get database file group & physical location

sql

SELECT
fg.data_space_id, fg.name,
ObjectName = OBJECT_NAME(p.object_id), p.index_id
,df.name, df.physical_name, [Size] = df.size*8/1024
FROM sys.filegroups fg
LEFT JOIN sys.database_files df
ON fg.data_space_id = df.data_space_id
LEFT JOIN sys.partitions p
ON fg.data_space_id = p.partition_number
WHERE (p.object_id>4096 or p.object_id IS NULL)