Largest cities
Dhaka 10,295,000 pop., 19,134,000 urban aggl.
Chittagong 3,230,000 pop., 4,204,000 urban aggl.
Khulna 719,000 pop., 1,035,000 urban aggl.
Sylhet 533,000 pop., 1,076,000 urban aggl.
Savar 384,000 pop., 2,550,000 urban aggl.
Highest mountains
Tazing Dong 1,280 m (4,198 ft)
Longest rivers
Brahmaputra-Jamuna 2,900 km (1,802 mi) total, 150 km (93 mi) in Bangladesh
Ganges-Padma 2,480 km (1,541 mi) total, 355 km (221 mi) in Bangladesh
Surma-Meghna 946 km (588 mi) total, 575 km (357 mi) in Bangladesh
Largest lakes
Kaptai Lake (artificial) 268 km² (103 sq mi)
Largest islands
Bhola 1,441 km² (556 sq mi)
Sandwip 762 km² (294 sq mi)
Manpura 373 km² (144 sq mi)
Hatia 371 km² (143 sq mi)