Hadera is in an administrative district surrounding a city in Israel.
Hadera is a city located in the Haifa District of Israel , in the northern Sharon region , approximately 45 kilometers ( 28 miles ) from the major cities of Tel Aviv and Haifa . Haifa District ( מחוז חיפה , Mehoz Ḥeifa ; منطقة حيفا ) is an administrative district surrounding the city of Haifa , Israel .