# Function isCityName

- isCityName(v): v is "Adana" | "Adıyaman" | "Afyonkarahisar" | "Ağrı" | "Aksaray" | "Amasya" | "Ankara" | "Antalya" | "Ardahan" | "Artvin" | "Aydın" | "Balıkesir" | "Bartın" | "Batman" | "Bayburt" | "Bilecik" | "Bingöl" | "Bitlis" | "Bolu" | "Burdur" | "Bursa" | "Çanakkale" | "Çankırı" | "Çorum" | "Denizli" | "Diyarbakır" | "Düzce" | "Edirne" | "Elazığ" | "Erzincan" | "Erzurum" | "Eskişehir" | "Gaziantep" | "Giresun" | "Gümüşhane" | "Hakkari" | "Hatay" | "Iğdır" | "Isparta" | "İstanbul" | "İzmir" | "Kahramanmaraş" | "Karabük" | "Karaman" | "Kars" | "Kastamonu" | "Kayseri" | "Kırıkkale" | "Kırklareli" | "Kırşehir" | "Kilis" | "Kocaeli" | "Konya" | "Kütahya" | "Malatya" | "Manisa" | "Mardin" | "Mersin" | "Muğla" | "Muş" | "Nevşehir" | "Niğde" | "Ordu" | "Osmaniye" | "Rize" | "Sakarya" | "Samsun" | "Siirt" | "Sinop" | "Sivas" | "Şanlıurfa" | "Şırnak" | "Tekirdağ" | "Tokat" | "Trabzon" | "Tunceli" | "Uşak" | "Van" | "Yalova" | "Yozgat" | "Zonguldak"

- #### Parameters

  - ##### v: unknown

  #### Returns v is "Adana" | "Adıyaman" | "Afyonkarahisar" | "Ağrı" | "Aksaray" | "Amasya" | "Ankara" | "Antalya" | "Ardahan" | "Artvin" | "Aydın" | "Balıkesir" | "Bartın" | "Batman" | "Bayburt" | "Bilecik" | "Bingöl" | "Bitlis" | "Bolu" | "Burdur" | "Bursa" | "Çanakkale" | "Çankırı" | "Çorum" | "Denizli" | "Diyarbakır" | "Düzce" | "Edirne" | "Elazığ" | "Erzincan" | "Erzurum" | "Eskişehir" | "Gaziantep" | "Giresun" | "Gümüşhane" | "Hakkari" | "Hatay" | "Iğdır" | "Isparta" | "İstanbul" | "İzmir" | "Kahramanmaraş" | "Karabük" | "Karaman" | "Kars" | "Kastamonu" | "Kayseri" | "Kırıkkale" | "Kırklareli" | "Kırşehir" | "Kilis" | "Kocaeli" | "Konya" | "Kütahya" | "Malatya" | "Manisa" | "Mardin" | "Mersin" | "Muğla" | "Muş" | "Nevşehir" | "Niğde" | "Ordu" | "Osmaniye" | "Rize" | "Sakarya" | "Samsun" | "Siirt" | "Sinop" | "Sivas" | "Şanlıurfa" | "Şırnak" | "Tekirdağ" | "Tokat" | "Trabzon" | "Tunceli" | "Uşak" | "Van" | "Yalova" | "Yozgat" | "Zonguldak"

  - Defined in types/index.d.ts:18

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