 | Galata Palace Hotel Istanbul | Standard | 21 | New City |
 | Galata Vista Suites Hotel Istanbul | Aparthotel 4* | 10 | New City |
 | Galateia Residence Hotel Istanbul | Residence | 13 | New City |
 | Gallery Residence Hotel Nisantasi Istanbul | Aparthotel 4* | 26 | New City |
 | Garden House Istanbul Hotel | Boutique | 24 | Old City |
| Gc Apart Hotel Istanbul | Apartment 1st Category | 4 | New City |
| Gc Suites 1 Hotel Istanbul | Boutique | 4 | New City |
 | Gedik Pasa Konagi Hotel Istanbul | Boutique | 15 | Old City |
 | Georges Hotel Galata Istanbul | Boutique | 20 | New City |
 | Germir Palas Hotel Istanbul | Boutique | 49 | New City |
 | Gezi Hotel Bosphorus Istanbul | 5.0 star rating | 63 | New City |
 | GK Regency Suites Hotel Istanbul | 4.0 star rating | 37 | New City |
 | Glamour Hotel Istanbul | Boutique | 39 | Old City |
 | GLK PREMIER Acropol Suites & Spa Hotel Istanbul | Boutique | 22 | Old City |
 | GLK PREMIER Regency Suites & Spa Hotel Istanbul | Boutique | 16 | Old City |
| GLK PREMIER The Home Suites & Spa Hotel Istanbul | Boutique | 18 | Old City |
 | Glorious Hotel Istanbul | 4.0 star rating | 100 | Old City |
 | Golden Age Hotel Istanbul | 4.0 star rating | 180 | New City |
 | Golden Crown Hotel Istanbul | 3.0 star rating | 35 | Old City |
| Golden Gate Hotel İstanbul Topkapı Istanbul | Historical Hotel Luxurious | 26 | Old City |
 | Golden Hill Hotel Istanbul | 3.0 star rating | 101 | Old City |
 | Golden Horn Istanbul Hotel | Boutique | 53 | Old City |
 | Golden Horn Sirkeci Hotel Istanbul | 4.0 star rating | 73 | Old City |
| Golden Palace Hotel Istanbul | Boutique | 15 | Old City |
 | Golden Park Hotel Istanbul | 4.0 star rating | 86 | New City |
| Golden Rain Hotel Istanbul | Boutique | 20 | Old City |
 | Golden Taha Hotel Istanbul | 4.0 star rating | 47 | Old City |
 | Golden Tulip Istanbul Bayrampasa Hotel | 5.0 star rating | 169 | Old City |
 | Golden Way Hotel Giyimkent Istanbul | 4.0 star rating | 180 | Ataturk Airport Istanbul |
 | Gorrion Hotel Istanbul | 5.0 star rating | 252 | Ataturk Airport Istanbul |
 | Grand Anka Hotel Istanbul | 4.0 star rating | 108 | Old City |
 | Grand Ant Hotel Istanbul | 3.0 star rating | 74 | Old City |
 | Grand Aras Hotel & Suites Istanbul | 4.0 star rating | 134 | New City |
 | Grand Asiyan Hotel Istanbul | 4.0 star rating | 87 | Old City |
| Grand Bazaar Hotel Istanbul | Boutique | 25 | Old City |
 | Grand Beyazid Hotel Istanbul | 4.0 star rating | 67 | Old City |
 | Grand Cevahir Hotel & Congress Centre Istanbul | 5.0 star rating | 323 | New City |
 | Grand Durmaz Hotel Istanbul | 4.0 star rating | 51 | Old City |
 | Grand Emin Hotel Istanbul | 4.0 star rating | 77 | Old City |
 | Grand Emir Hotel Istanbul | Boutique | 35 | Old City |
 | Grand Halic Hotel Istanbul | 4.0 star rating | 177 | New City |
 | Grand Hilarium Hotel Istanbul | 4.0 star rating | 74 | Old City |
 | Grand Hotel Avcilar Istanbul | 3.0 star rating | 68 | Ataturk Airport Istanbul |
 | Grand Hotel De Pera Istanbul | 4.0 star rating | 84 | New City |
 | Grand Hotel Gulsoy Istanbul | 4.0 star rating | 138 | Old City |
 | Grand Hyatt Istanbul Hotel | 5.0 star rating | 360 | New City |
 | Grand Istanbul Airport Hotel | 3.0 star rating | 36 | Ataturk Airport Istanbul |
 | Grand Madrid Hotel Istanbul | 4.0 star rating | 47 | Old City |
 | Grand Ons Hotel Istanbul | 3.0 star rating | 88 | Old City |
 | Grand Oral Hotel Istanbul | 3.0 star rating | 50 | Old City |