Write SQL query to solve given problem: In which region can you find the highest number of Baskin Robbins restaurants?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T2.region AS num FROM generalinfo AS T1 INNER JOIN geographic AS T2 ON T1.city = T2.city WHERE T1.label = 'baskin robbins' GROUP BY T2.region ORDER BY COUNT(T1.city) DESC LIMIT 1