Districts of a World Federation

[Vosem]

Since the thread Lewis started is getting cluttered, I'll start my own. Each district is to have a population of about ~6 million. I'm a horrid mapmaker, so if someone could help me, that would be a greatly appreciated. I'll do the countries (mostly) in backwards alphabetical order, although some regions have countries with a low population, so those will likely be skipped.

Zimbabwe (2 districts):

Greater Matabeleland:
Bulawayo
Matabeleland North
Matabeleland South
Midlands
Masvingo (Chiredzi, Zaka, Bikita, and Gutu)

Manicaland-Mashonaland-Masvingo:
Harare
Mashonaland East
Mashonaland West
Mashonaland Central
Manicaland
Masvingo (Mwenezi, Chivi, and Masvingo)

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Zambia (2 districts):

East Zambia:
Eastern
Luapula
Lusaka (Chongwe & Luangwa)
Muchinga
Northern

West Zambia:
Central
Copperbelt
Lusaka (Kafue & Lusaka)
Northwestern
Southern
Western

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Yemen (3 districts):

Al Hudaydah-Hajjah-Ibb:
'Amran
Al Hudaydah
Al-Mahwit
Ibb
Hajjah
Raymah
Sa'dah

Greater Sana'a:
Ad-Dali'
Al Bayda'
Al Jawf
Amanat Al-Asemah
Dhamar
Ma'rib
Sana'a

South Yemen & Taiz
'Aden
Abyan
Al-Mahrah
Hadhramaut
Lahij
Shabwah
Taiz

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Vietnam (15 districts):

Vietnam is administratively divided into 63 provinces. However, these provinces are grouped into 8 regions (the Red River Delta, the North Central Coast, the Northeast, the Northwest, the Central Highlands, the South Central Coast, the Southeast, and the Mekong River Delta) -- which will be subdivided separately.

Central Highlands (1 district):
the district will be called Tay Nguyen

Mekong River Delta (3 districts):

An Giang:
An Giang
Ca Mau
Can Tho
Hau Giang
Kien Giang

Dong Bang Song Cu'u Long:
Bac Lieu
Ben Tre
Soc Trang
Tra Vinh
Vinh Long

My Tho:
Dong Thap
Long An
Tien Giang

North Central Coast (1 district):
the district will be called Bac Trung Bo