Look at jw.org
There are 16 congregations in Israel. See related link.
You will need to contact the Branch officeBRITAIN The Ridgeway, London NW7 1RN.
You will need to contact the Branch officeBELGIUM rue d'Argile­Potaardestraat 60, B­1950 Kraainem.
49 Brooksdale Rd Brighton, MA 02135 ???
The ending for Namibia is .na.
To obtain this information write to the Branch Office of Jehovah's Witnesses in your area. You can obtain the address at www.watchtower.org/address.
This information is available from the Branch office of the country in question. See link below.
You will need to contact the Branch officeMEXICO Apartado Postal 895, 06002 Mexico, DF.
You can get the information you need concerning the address of the nearest Kingdom Hall to where you are by writing the branch office in Turkey at: PO Box 23, 34377 Feriköy, Istanbul.
Go to the official website jw.org and scroll to bottom, click on "attend our meetings" and enter your location. It will tell you the nearest Kingdom Hall to your location.
As of July 2015, there are 7 Kingdom Halls with about 30 congregations. Their website has a Kingdom Hall finder that you can use to find the closest to you and that speaks your language.