Halong may refer to:
*
Ha Long, also known as Hong Gai, the capital city of Quang Ninh Province, Vietnam
*
Halong Bay, a UNESCO World Heritage site located in Quảng Ninh province, Vietnam
*
Halong naval base, an Indonesian Navy (previously Dutch) facility on the island of Ambon
*
Typhoon Halong, a
pacific typhoon name.
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