Top STEM source cities as a percentage of Total F-1 students, the culture that is South India

1. Vijayawada, India

2. Visakhapatnam, India

3. Chennai, India

4. Hyderabad, India

5. Secunderabad, India

6. Pune, India

7. Teheran, Iran

8. Bangalore, India

9. Kolkata, India

10. Dhaka, Bangladesh

For absolute numbers, Hyderabad is #1.

That is all from the new Brookings report, The Geography of Foreign Students in U.S. Higher Education, by Neil G. Ruiz.