Before it was the political and financial heart of Vietnam, this land had a name of its own — one that most visitors, and plenty of residents, have never actually heard.
The old name for this stretch of riverbank has two competing explanations: a Vietnamized version of the Khmer Kompong Krabei ("buffalo wharf"), where locals once brought cattle to bathe, or — per 19th-century scholar Nguyễn Văn Siêu — a nod to the roar of crocodiles once common on the river, which sounded to early settlers like the bellow of a calf (nghé).
Lord Nguyễn's official Nguyễn Hữu Cảnh formally establishes Gia Định prefecture. Bến Nghé, already a bustling river port, becomes its administrative seat — a role this small patch of riverbank keeps, under one name or another, for the next three centuries.
Two separate market towns grow up a few kilometers apart: Bến Nghé, the port town near today's District 1, and Sài Gòn, the Chinese trading town to the west that would later become Chợ Lớn. For most of this period, "Sài Gòn" refers to that second town — not to the area that carries the name today.
French forces capture the Gia Định citadel; retreating Vietnamese troops set fire to the city rather than leave it intact, destroying Bến Thành market along with much of the settlement.
Admiral Charner's decree defines the boundaries of a new "Ville de Saigon," covering both the old Bến Nghé and Sài Gòn areas — 25 km² in total, an administrative unit that doesn't yet correspond to either historic name.
A second decree narrows the city of "Saigon" down to just 3 km² — the old Bến Nghé core — while formally naming the western trading town "Cholon" (Chợ Lớn). The two names effectively swap territory: the place actually called Sài Gòn for two centuries becomes Chợ Lớn, and Bến Nghé inherits the Sài Gòn name it still carries.
In barely three decades, French administrators fill in canals, pave streets, and replace thatch and timber with brick, building most of the landmarks the district is still known for today.
District 1 is formally established as an administrative unit within the joint Saigon–Chợ Lớn municipality.
A citywide ward reform dissolves the district as an administrative unit — its central wards, including Bến Nghé itself, are folded into new, larger ward boundaries, though the district's landmarks and street grid remain unchanged.

