trytondo-account_co_co/view/address_form.xml

<?xml version="1.0"?>
<data>
    <xpath expr="//label[@name='city']" position="replace"></xpath>
    <xpath expr="//field[@name='city']" position="replace"></xpath>      
    <xpath expr="//field[@name='subdivision']" position="after">
        <label name="citys"/>
        <field name="citys" widget="selection"/>
    </xpath>
</data>