As per Rabbi David Katz of Tzfat, Gaza will be allocated to Shevet Gad.
"Some (B'nei Menashe) went down the Mekong River into Vietnam, the Philippines, Siam, Thailand and Malaysia, while some of the Israelites moved to Burma and west to India." — Stephen Epstein
What B'nei Menashe from Vietnam, the Philippines, Siam, Thailand and Malaysia, as well as Burma and India, share is a traditional bamboo folk dance (whose origins are not known) that requires the Clappers to kneel and combine the pair of beams like a pair of matches or drumsticks.
Vietnamese Israeli poet Vaan Nguyen (also the subject of a documentary chronicling Vietnamese Boat People) has a poem entitled, "Mekong River" that she recites on YT in Ivrit.
