Istanbul r=5

İstanbul (r=13.193 Rotterdam, 57 260 ha, r=3 66 950 ha): 2 746 km2, 12 855 436
İstanbul prov (5 315 km2, 12 573 836) minus Çatalca (1 344 km2, 89 158), Şile (916 km2, 25 169), Silivri (894 km2, 125 364), plus Gebze (585 km2, 521 291)

Tepecik (r=2.144 İstanbul, 970 ha)
absorbed into Istanbul

Gebze (r=2.660 İstanbul, 7 110 ha)
absorbed into Istanbul

İstanbul--Celaliye/Kumburgaz (r=2.826 İstanbul, 340 ha): 25 000 est

Yalova (r=3.196 İstanbul, 900 ha): 284 km2, 126 917
Yalova (167 km2, 102 871), Çiftlikköy (117, 24 046)
across unbridged gulf

Karamürsel (r=3.511 İstanbul, 130 ha): 289 km2, 48 831 (20 000 est)

Silivri (r=3.818 İstanbul, 310 ha): 894 km2, 125 364 (50 000 est)
250 ha, 200, 120, 110 ha towns in area

İzmit (r=4.285 İstanbul, 6 710 ha): 1 831 km2, 820 482 (750 000 est)
Derince (223 km2, 117 303), Gölcük (207 km2, 131 992), Körfez (356 km2, 123 289), Kocaeli (1 045 km2, 447 898)

Orhangazi (r=4.569 İstanbul, 270 ha): 603 km2, 73 633 (40 000 est)

Bursa (r=4.635 İstanbul, 8 910 ha): 1 577 km2, 1 657 323 (1 550 000 est)
city [Nilüfer (496 km2, 251 344), Osmangazi (476 km2, 736 034), Yıldırım (64 km2, 575 450)], Gürsu (110 km2, 50 039), Kestel (431 km2, 44 456)
100 ha town in area

Bursa--Görükle (r=3.341 Bursa, 100 ha): 20 000 est
area low

Mudanya (r=3.561 Bursa, 200 ha): 334 km2, 62 369 (55 000 est)
area low

Gemlik (r=4.019 Bursa, 320 ha): 376 km2, 98 085 (55 000 est)
260 ha town in area

Uyumkent (r=4.736 İstanbul, 200 ha): 20 000 est
(Silivri)

Adapazarı (r=4.861 İstanbul, 2 300 ha): 350 000 est
Sakarya (562 km2, 412 994)
140 ha town in area

Sapanca (r=4.049 Adapazarı, 280 ha): 139 km2, 35 551 (20 000 est)
130 ha town in area