format - 00 aa0(a) 00

symbol - black, background - white

Region - first two figures:

01 - Adana
02 - Adiyaman
03 - Afyon
04 - Acri
05 - Amasta
06 - Ankara
07 - Antalya
08 - Artvin
09 - Aydin
10 - Balikesir
11 - Bilecik
12 - Bingol
13 - Bitlis
14 - Bolu
15 - Bordur
16 - Bursa
17 - Canakkale
18 - Cankiri
19 - Corum
20 - Denizli
21 - Diyarbakir
22 - Edirne
23 - Elazic
24 - Erzincan
25 - Ebzurum
26 - Eskisehir
27 - Gazi Antep
28 - Gumushane
30 - Hakkari
31 - Hatay(Antakya)
32 - Isparta
33 - Icel(Mersin)
34 - Istanbul
35 - Izmir
36 - Kars
37 - Kastamonu
38 - Kayseri
39 - Kirklareli
40 - Kirsehir
41 - Kocaeli(Izmit)
42 - Konia
43 - Kutahya
44 - Malatya
45 - Manisa
46 - Kahraman Maras
47 - Mardin
48 - Mugla
49 - Mus
50 - Nevsehir
51 - Nigde
52 - Ordu
53 - Rize
54 - Sakarya
55 - Samsun
56 - Siirt
57 - Sinop
58 - Sivas
59 - Tekirdag
60 - Tokat
61 - Trabzon
62 - Tunceli
63 - Sanli Urfa
64 - Usak
65 - Van
66 - Yozgat
67 - Zonguldak
68 - Aksaray
69 - Bayburt
70 - Karaman
71 - Kirikkale
72 - Batman
73 - Sirnak
74 - Bartin
75 - Ardahan
76 - Igdir
77 - Yalova
78 - Karabuk
79 - Kilis
80 - Osmaniye

Turkey
Embassies and Consulates
Road distance
Photo from Turkey