In Hà Nội a simple order for nem is enough. But when you travel outside of Hà Nội then the spring rolls are called "chả nem" in Hải Phòng, Hải Dương, Quảng Ninh, Nam Định and Thái Bình in the north, while in the south, they are called "chả giò" across the Mekong Delta.
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