It's hard to say which place has the best fish head, because each place has its own characteristics and tastes. Here are some places and fish head dishes that may be worth trying:

-Changsha, Hunan: In Changsha, you can taste the spicy fish head with chopped pepper, which is one of the local famous dishes.

-Shenzhen, Guangdong: The fish head tofu soup in Shenzhen is very famous, and the fish head is usually fresh silver carp head.

-Fuzhou, Fujian: There are many kinds of fish head dishes in Fuzhou. You can try the local red fermented bean head or douban fish head.

-Suzhou, Jiangsu: Sweet and Sour Mandarin Fish in Suzhou is a classic fish head dish, in which the fried fish head tastes crisp and delicious.

-Bangkok, Thailand: In Bangkok, you can taste Thai fish head curry, which is a spicy and fragrant fish head dish.

Of course, this is only part of it. You can choose different places and fish head dishes according to your own tastes and preferences.