The area of Ha Long is 208.7 square kilometers.
The area of Dong Ha is 72.96 square kilometers.
Ha Long's population is 185,228.
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The area of Hai Ha District is 495 square kilometers.
The area of Dam Ha District is 290 square kilometers.
The area of Ha Hoa District is 340 square kilometers.
The area of Son Ha District is 750 square kilometers.
The area of Ha Lang District is 463 square kilometers.
The area of Dak Ha District is 844 square kilometers.
The area of Bac Ha District is 680 square kilometers.
The area of Ha Trung District is 244 square kilometers.
The area of Ha Nam province is 852.2 square kilometers.