Product:
Microsoft SQL server 2016

Microsoft Windows 2019 server

Issue:
List size and location of SQL database files?

Solution:

In SQL management studio enter this query;

SELECT
    db.name AS DBName,
    type_desc AS FileType,
    Physical_Name AS Location,mf.size/128 as Size_in_MB
FROM
    sys.master_files mf
INNER JOIN 
    sys.databases db ON db.database_id = mf.database_id
ORDER BY  Size_in_MB DESC,DBName

More information:

How to determine free space and file size for SQL Server databases

SQL SERVER – Find Location of Data File Using T-SQL