For Israelis who would like to travel to Vietnam, there are Chabad centers available in major cities such as Ho Chi Minh City and Hanoi. Chabad is a Jewish organization that provides religious, cultural, and social services to Jewish communities worldwide.

1. Chabab of Ho Chi Minh City

Address: 5A (villa) Nguyen Dinh Chieu, Da Kao, District 1, HCMC

Website: https://www.jewishvietnam.com/ 

Tel: +84 2839100181

Opening hours: 

- Sunday - Thursday: 9:00am - 9:00pm
- Friday: 9:00am - 1:00pm

In Ho Chi Minh City, there is the Chabad of Ho Chi Minh City, which offers Jewish services such as Shabbat and holiday meals, prayer services, and Torah classes. They also have a kosher restaurant and can assist with arranging kosher food for travelers. The Chabad House also offers assistance with finding kosher accommodations and arranging tours of Jewish sites in Vietnam.

2. Chabad of Hanoi

Address: No.4, Ngo 11 - To Ngoc Van street, Tay Ho, Hanoi

Website: https://www.jewishhanoi.com/ 

Tel: +84 838728225

Opening hours: 

- Sunday - Thursday: 12:00pm - 7:00pm

- Friday: Closed

In Hanoi, there is the Chabad of Hanoi, which also provides religious services and kosher food for travelers. They also have a Jewish school for children and can assist with arranging kosher accommodations.

3. Chabad Hoi An

Address: 570A Cua Dai, Hoi An, Quang Nam

Website: https://www.jewishhanoi.com/ 

Tel: +84 901356770

Opening hours: 

- Sunday -Thursday: 9:00am - 9:00pm

- Friday: 9:00am - 1:00pm

Chabad Hoi An is located on the main street of the old city. It is about 1.5km, a 15-minute walk, from the Thu Bon River and the night market. You should contact restaurant before arrival.

All Chabad centers can provide assistance to Israeli travelers who need help with any travel-related issues, such as lost passports or emergency medical situations. It is recommended to contact the Chabad center before arriving in Vietnam to ensure that they are available and can provide assistance during your stay.