partner-contact/base_location/views/res_company_view.xml

<?xml version="1.0"?>
<odoo>

    <!-- Add cities to the company form -->
    <record id="view_company_form_city" model="ir.ui.view">
        <field name="name">res.company.form.city</field>
        <field name="model">res.company</field>
        <field name="inherit_id" ref="base.view_company_form" />
        <field name="arch" type="xml">
            <field name="street2" position="after">
                <field name="zip_id"
                    options="{'create_name_field': 'city'}"
                    colspan="4"
                    placeholder="City completion" />
            </field>
            <field name="city" position="after">
                <field name="country_enforce_cities" invisible="1"/>
                <field name='city_id'
                    attrs="{'invisible': [('country_enforce_cities', '=', False)]}"/>
            </field>
            <field name="city" position="attributes">
                <attribute name="invisible">[('country_enforce_cities', '=', True)]</attribute>
            </field>
        </field>
    </record>

</odoo>