All Countries Counties For WooCommerce is a plugin that automatically pre-populate your WooCommerce state fields to allows customers select from preconfigured states rather than typing it in manually. It also have support for local governments. So, countries whose states have local government would automatically have a local government dropdown field on checkout page. The local government feauture is only available in Nigeria at the moment. Supported Countries United Kingdom Nigeria Chile Kenya Guatemala = Overriding local governments in theme function.php add_filter( 'wc_add_counties_local_government', 'my_custom_lga' ); function my_custom_lga( $local_governments ) { my_custom_lga_array = [ '' => __( 'Select an option...' , 'woocommerce' ), 'Agege/ijaiye' => __( 'Agege/ijaiye', 'woocommerce' ), 'Ajeromi/ifelodun' => __( 'Ajeromi/ifelodun', 'woocommerce' ), 'Alimosho' => __( 'Alimosho', 'woocommerce' ), 'Amuwo Odofin' => __( 'Amuwo Odofin', 'woocommerce' ), 'Apapa' => __( 'Apapa', 'woocommerce' ), ]; $local_governments['NG']['LA'] = my_custom_lga_array; return $local_governments; }