width: 100%
max-width: 25%;
<?php
$query = mysqli_query( $mysqli_connect, "
SELECT
`glav_id`,
`region`
FROM
`table_name_2`
");
while ( $row = mysqli_fetch_assoc($query) ) {
mysqli_query( $mysqli_connect, "
INSERT INTO
`table_name_1`
SET
`glav_id` = " . $row['glav_id'] . ",
`region` = " . $row['region'] . "
");
}