Hichiku dialect
Refers to the group of Japanese dialects spoken in western Kyushu, including Fukuoka, Saga, Nagasaki, and Kumamoto prefectures.
The Hichiku dialect includes Hakata-ben, Saga-ben, and others.
博多弁 is a specific dialect within the Hichiku group, spoken in Fukuoka City.
佐賀弁 is another dialect within the Hichiku group, spoken in Saga Prefecture.
肥筑 is a compound of 肥 (Hi, from 肥前 Hizen and 肥後 Higo, old province names) and 筑 (Chiku, from 筑前 Chikuzen and 筑後 Chikugo). 方言 means 'dialect'.