Final answer:
The region in question is Shenzhen, known for its robust R&D, multitude of high-tech companies, and quality higher education, positioned as a key Special Economic Zone in China.
Step-by-step explanation:
The region in China that serves as the political and R&D center, and hosts a 75-mile corridor with approximately 5,000 Chinese high-tech companies and over 1,000 international IT companies, is highly noted for the quality of its higher education.
This region is Shenzhen, located in Guangdong Province. Shenzhen's significance is further enhanced by its status as one of the first Special Economic Zones (SEZs) in China, attracting considerable foreign investment and fostering a conducive environment for innovation and industrial growth. It neighbors other significant cities such as Guangzhou, Macau, and Hong Kong, playing a crucial role in international trade and global commerce.