public static function geolocate_ip( $ip_address = '', $fallback = false, $api_fallback = true ) {
		// Filter to allow custom geolocation of the IP address.
		$country_code = apply_filters( 'woocommerce_geolocate_ip', false, $ip_address, $fallback, $api_fallback );

		if ( false !== $country_code ) {
			return array(
				'country'  => $country_code,
				'state'    => '',
				'city'     => '',
				'postcode' => '',
			);
		}

		if ( empty( $ip_address ) ) {
			$ip_address = self::get_ip_address();
		}

		$country_code = self::get_country_code_from_headers();

		/**
		 * Get geolocation filter.
		 *
		 * @since 3.9.0
		 * @param array  $geolocation Geolocation data, including country, state, city, and postcode.
		 * @param string $ip_address  IP Address.
		 */
		$geolocation  = apply_filters(
			'woocommerce_get_geolocation',
			array(
				'country'  => $country_code,
				'state'    => '',
				'city'     => '',
				'postcode' => '',
			),
			$ip_address
		);

		// If we still haven't found a country code, let's consider doing an API lookup.
		if ( '' === $geolocation['country'] && $api_fallback ) {
			$geolocation['country'] = self::geolocate_via_api( $ip_address );
		}

		// It's possible that we're in a local environment, in which case the geolocation needs to be done from the
		// external address.
		if ( '' === $geolocation['country'] && $fallback ) {
			$external_ip_address = self::get_external_ip_address();

			// Only bother with this if the external IP differs.
			if ( '0.0.0.0' !== $external_ip_address && $external_ip_address !== $ip_address ) {
				return self::geolocate_ip( $external_ip_address, false, $api_fallback );
			}
		}

		return array(
			'country'  => $geolocation['country'],
			'state'    => $geolocation['state'],
			'city'     => $geolocation['city'],
			'postcode' => $geolocation['postcode'],
		);
	}