Add list of states / cities at customer address

Store Design
1

I want to add (state → state.list) and (city → city.list) at customer addresses page.

customer must mandetory fill country(select from list) /state (select from list of states related to country) /city (select from list of cities related to state) .

Can please help me to do that

2

Can please send the liquid syntax code

3

Anyone can help to solve this

4

I have the same problem