Z is for Zither.
Next category would be cities (or states, or provinces, or stuff like that)
A is for Alabama.
B for Baibara.
C is for Cannes.
D is for Damietta.
E is for El Paso.
F is for Fort-de-France.
G is for Georgia.
H is for Hamburg.
I is from Istanbul.
J is for Joondalup.
K for Kagoshima.
L is for Lisbon.
M is for Milan. 
N is for Nevada.
O is for Oulu.
P is for Porto Corsa 
Ok, kidding. P is for Paris.
Q is for Quebec City.
R is for Rome.
S is for Skhirat
T is for Texas.